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Finding the Fourth Proportional to 39,806.96, 59,691.98 and 14,840.30

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Solution

The fourth proportional to 39,806.96, 59,691.98 and 14,840.30 is: 22,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.96 : 59,691.98 = 14,840.30 : x
  2. Step 2: Convert to fraction form
    39,806.96/59,691.98 = 14,840.30/x
  3. Step 3: Cross multiply
    39,806.96x = 59,691.98 × 14,840.30
  4. Step 4: Simplify right side
    39,806.96x = 885,847,077.12
  5. Step 5: Solve for x
    x = 885,847,077.12/39,806.96
  6. Step 6: Final answer
    x = 22,253.58

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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.