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Finding the Fourth Proportional to 47,503.99, 71,246.55 and 13,773.97

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Solution

The fourth proportional to 47,503.99, 71,246.55 and 13,773.97 is: 20,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.99 : 71,246.55 = 13,773.97 : x
  2. Step 2: Convert to fraction form
    47,503.99/71,246.55 = 13,773.97/x
  3. Step 3: Cross multiply
    47,503.99x = 71,246.55 × 13,773.97
  4. Step 4: Simplify right side
    47,503.99x = 981,347,842.30
  5. Step 5: Solve for x
    x = 981,347,842.30/47,503.99
  6. Step 6: Final answer
    x = 20,658.22

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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.