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Finding the Fourth Proportional to 24,436.75, 36,655.80 and 8,639.54

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Solution

The fourth proportional to 24,436.75, 36,655.80 and 8,639.54 is: 12,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,436.75 : 36,655.80 = 8,639.54 : x
  2. Step 2: Convert to fraction form
    24,436.75/36,655.80 = 8,639.54/x
  3. Step 3: Cross multiply
    24,436.75x = 36,655.80 × 8,639.54
  4. Step 4: Simplify right side
    24,436.75x = 316,689,250.33
  5. Step 5: Solve for x
    x = 316,689,250.33/24,436.75
  6. Step 6: Final answer
    x = 12,959.55

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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.