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Finding the Fourth Proportional to 3,472,892.70, 5,200,007.85 and 3,472,892.70

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Solution

The fourth proportional to 3,472,892.70, 5,200,007.85 and 3,472,892.70 is: 5,200,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,892.70 : 5,200,007.85 = 3,472,892.70 : x
  2. Step 2: Convert to fraction form
    3,472,892.70/5,200,007.85 = 3,472,892.70/x
  3. Step 3: Cross multiply
    3,472,892.70x = 5,200,007.85 × 3,472,892.70
  4. Step 4: Simplify right side
    3,472,892.70x = 18,059,069,302,207.70
  5. Step 5: Solve for x
    x = 18,059,069,302,207.70/3,472,892.70
  6. Step 6: Final answer
    x = 5,200,007.85

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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.