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Finding the Fourth Proportional to 29,864.11, 44,785.49 and 9,869.90

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Solution

The fourth proportional to 29,864.11, 44,785.49 and 9,869.90 is: 14,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,864.11 : 44,785.49 = 9,869.90 : x
  2. Step 2: Convert to fraction form
    29,864.11/44,785.49 = 9,869.90/x
  3. Step 3: Cross multiply
    29,864.11x = 44,785.49 × 9,869.90
  4. Step 4: Simplify right side
    29,864.11x = 442,028,341.91
  5. Step 5: Solve for x
    x = 442,028,341.91/29,864.11
  6. Step 6: Final answer
    x = 14,801.32

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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.