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Finding the Fourth Proportional to 29,868,298.20, 44,802,447.30 and 15,519,391.20

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Solution

The fourth proportional to 29,868,298.20, 44,802,447.30 and 15,519,391.20 is: 23,279,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868,298.20 : 44,802,447.30 = 15,519,391.20 : x
  2. Step 2: Convert to fraction form
    29,868,298.20/44,802,447.30 = 15,519,391.20/x
  3. Step 3: Cross multiply
    29,868,298.20x = 44,802,447.30 × 15,519,391.20
  4. Step 4: Simplify right side
    29,868,298.20x = 695,306,706,366,083.62
  5. Step 5: Solve for x
    x = 695,306,706,366,083.62/29,868,298.20
  6. Step 6: Final answer
    x = 23,279,086.80

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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.