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Finding the Fourth Proportional to 8,915.52, 13,363.86 and 4,752.96

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Solution

The fourth proportional to 8,915.52, 13,363.86 and 4,752.96 is: 7,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.52 : 13,363.86 = 4,752.96 : x
  2. Step 2: Convert to fraction form
    8,915.52/13,363.86 = 4,752.96/x
  3. Step 3: Cross multiply
    8,915.52x = 13,363.86 × 4,752.96
  4. Step 4: Simplify right side
    8,915.52x = 63,517,892.03
  5. Step 5: Solve for x
    x = 63,517,892.03/8,915.52
  6. Step 6: Final answer
    x = 7,124.42

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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.