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Finding the Fourth Proportional to 38,321.02, 57,841.49 and 38,321.02

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Solution

The fourth proportional to 38,321.02, 57,841.49 and 38,321.02 is: 57,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.02 : 57,841.49 = 38,321.02 : x
  2. Step 2: Convert to fraction form
    38,321.02/57,841.49 = 38,321.02/x
  3. Step 3: Cross multiply
    38,321.02x = 57,841.49 × 38,321.02
  4. Step 4: Simplify right side
    38,321.02x = 2,216,544,895.12
  5. Step 5: Solve for x
    x = 2,216,544,895.12/38,321.02
  6. Step 6: Final answer
    x = 57,841.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.