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Finding the Fourth Proportional to 40,641.97, 60,965.33 and 15,682.15

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Solution

The fourth proportional to 40,641.97, 60,965.33 and 15,682.15 is: 23,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,641.97 : 60,965.33 = 15,682.15 : x
  2. Step 2: Convert to fraction form
    40,641.97/60,965.33 = 15,682.15/x
  3. Step 3: Cross multiply
    40,641.97x = 60,965.33 × 15,682.15
  4. Step 4: Simplify right side
    40,641.97x = 956,067,449.86
  5. Step 5: Solve for x
    x = 956,067,449.86/40,641.97
  6. Step 6: Final answer
    x = 23,524.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.