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Finding the Fourth Proportional to 16,581.25, 24,856.25 and 8,253.39

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Solution

The fourth proportional to 16,581.25, 24,856.25 and 8,253.39 is: 12,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.25 : 24,856.25 = 8,253.39 : x
  2. Step 2: Convert to fraction form
    16,581.25/24,856.25 = 8,253.39/x
  3. Step 3: Cross multiply
    16,581.25x = 24,856.25 × 8,253.39
  4. Step 4: Simplify right side
    16,581.25x = 205,148,377.13
  5. Step 5: Solve for x
    x = 205,148,377.13/16,581.25
  6. Step 6: Final answer
    x = 12,372.31

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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.