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Finding the Fourth Proportional to 24,479.61, 36,719.41 and 7,839.57

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Solution

The fourth proportional to 24,479.61, 36,719.41 and 7,839.57 is: 11,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.61 : 36,719.41 = 7,839.57 : x
  2. Step 2: Convert to fraction form
    24,479.61/36,719.41 = 7,839.57/x
  3. Step 3: Cross multiply
    24,479.61x = 36,719.41 × 7,839.57
  4. Step 4: Simplify right side
    24,479.61x = 287,864,385.05
  5. Step 5: Solve for x
    x = 287,864,385.05/24,479.61
  6. Step 6: Final answer
    x = 11,759.35

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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.