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Finding the Fourth Proportional to 4,728,247.85, 7,092,371.78 and 4,728,247.85

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Solution

The fourth proportional to 4,728,247.85, 7,092,371.78 and 4,728,247.85 is: 7,092,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,247.85 : 7,092,371.78 = 4,728,247.85 : x
  2. Step 2: Convert to fraction form
    4,728,247.85/7,092,371.78 = 4,728,247.85/x
  3. Step 3: Cross multiply
    4,728,247.85x = 7,092,371.78 × 4,728,247.85
  4. Step 4: Simplify right side
    4,728,247.85x = 33,534,491,596,544.43
  5. Step 5: Solve for x
    x = 33,534,491,596,544.43/4,728,247.85
  6. Step 6: Final answer
    x = 7,092,371.78

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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.