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Finding the Fourth Proportional to 19,593.76, 29,350.92 and 15,651.76

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Solution

The fourth proportional to 19,593.76, 29,350.92 and 15,651.76 is: 23,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.76 : 29,350.92 = 15,651.76 : x
  2. Step 2: Convert to fraction form
    19,593.76/29,350.92 = 15,651.76/x
  3. Step 3: Cross multiply
    19,593.76x = 29,350.92 × 15,651.76
  4. Step 4: Simplify right side
    19,593.76x = 459,393,555.62
  5. Step 5: Solve for x
    x = 459,393,555.62/19,593.76
  6. Step 6: Final answer
    x = 23,445.91

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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.