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Finding the Fourth Proportional to 48,147.62, 72,221.44 and 13,092.44

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Solution

The fourth proportional to 48,147.62, 72,221.44 and 13,092.44 is: 19,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,147.62 : 72,221.44 = 13,092.44 : x
  2. Step 2: Convert to fraction form
    48,147.62/72,221.44 = 13,092.44/x
  3. Step 3: Cross multiply
    48,147.62x = 72,221.44 × 13,092.44
  4. Step 4: Simplify right side
    48,147.62x = 945,554,869.91
  5. Step 5: Solve for x
    x = 945,554,869.91/48,147.62
  6. Step 6: Final answer
    x = 19,638.66

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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.