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Finding the Fourth Proportional to 38,266,542.20, 57,399,813.30 and 38,266,542.20

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Solution

The fourth proportional to 38,266,542.20, 57,399,813.30 and 38,266,542.20 is: 57,399,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266,542.20 : 57,399,813.30 = 38,266,542.20 : x
  2. Step 2: Convert to fraction form
    38,266,542.20/57,399,813.30 = 38,266,542.20/x
  3. Step 3: Cross multiply
    38,266,542.20x = 57,399,813.30 × 38,266,542.20
  4. Step 4: Simplify right side
    38,266,542.20x = 2,196,492,377,916,571.25
  5. Step 5: Solve for x
    x = 2,196,492,377,916,571.25/38,266,542.20
  6. Step 6: Final answer
    x = 57,399,813.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.