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Finding the Fourth Proportional to 8,699.92, 13,053.52 and 3,766.96

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Solution

The fourth proportional to 8,699.92, 13,053.52 and 3,766.96 is: 5,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.92 : 13,053.52 = 3,766.96 : x
  2. Step 2: Convert to fraction form
    8,699.92/13,053.52 = 3,766.96/x
  3. Step 3: Cross multiply
    8,699.92x = 13,053.52 × 3,766.96
  4. Step 4: Simplify right side
    8,699.92x = 49,172,087.70
  5. Step 5: Solve for x
    x = 49,172,087.70/8,699.92
  6. Step 6: Final answer
    x = 5,652.02

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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.