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Finding the Fourth Proportional to 39,793.56, 59,691.03 and 13,498.98

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Solution

The fourth proportional to 39,793.56, 59,691.03 and 13,498.98 is: 20,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.56 : 59,691.03 = 13,498.98 : x
  2. Step 2: Convert to fraction form
    39,793.56/59,691.03 = 13,498.98/x
  3. Step 3: Cross multiply
    39,793.56x = 59,691.03 × 13,498.98
  4. Step 4: Simplify right side
    39,793.56x = 805,768,020.15
  5. Step 5: Solve for x
    x = 805,768,020.15/39,793.56
  6. Step 6: Final answer
    x = 20,248.70

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1.5x scale

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.