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Finding the Fourth Proportional to 8,881.76, 13,310.82 and 3,329.52

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Solution

The fourth proportional to 8,881.76, 13,310.82 and 3,329.52 is: 4,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.76 : 13,310.82 = 3,329.52 : x
  2. Step 2: Convert to fraction form
    8,881.76/13,310.82 = 3,329.52/x
  3. Step 3: Cross multiply
    8,881.76x = 13,310.82 × 3,329.52
  4. Step 4: Simplify right side
    8,881.76x = 44,318,641.41
  5. Step 5: Solve for x
    x = 44,318,641.41/8,881.76
  6. Step 6: Final answer
    x = 4,989.85

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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.