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Finding the Fourth Proportional to 36,061.60, 54,092.40 and 19,472.80

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Solution

The fourth proportional to 36,061.60, 54,092.40 and 19,472.80 is: 29,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,061.60 : 54,092.40 = 19,472.80 : x
  2. Step 2: Convert to fraction form
    36,061.60/54,092.40 = 19,472.80/x
  3. Step 3: Cross multiply
    36,061.60x = 54,092.40 × 19,472.80
  4. Step 4: Simplify right side
    36,061.60x = 1,053,330,486.72
  5. Step 5: Solve for x
    x = 1,053,330,486.72/36,061.60
  6. Step 6: Final answer
    x = 29,209.20

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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.