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Finding the Fourth Proportional to 39,793.58, 59,691.02 and 13,499.00

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Solution

The fourth proportional to 39,793.58, 59,691.02 and 13,499.00 is: 20,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.58 : 59,691.02 = 13,499.00 : x
  2. Step 2: Convert to fraction form
    39,793.58/59,691.02 = 13,499.00/x
  3. Step 3: Cross multiply
    39,793.58x = 59,691.02 × 13,499.00
  4. Step 4: Simplify right side
    39,793.58x = 805,768,713.03
  5. Step 5: Solve for x
    x = 805,768,713.03/39,793.58
  6. Step 6: Final answer
    x = 20,248.71

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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.