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Finding the Fourth Proportional to 8,532.72, 12,799.08 and 3,340.08

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Solution

The fourth proportional to 8,532.72, 12,799.08 and 3,340.08 is: 5,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.72 : 12,799.08 = 3,340.08 : x
  2. Step 2: Convert to fraction form
    8,532.72/12,799.08 = 3,340.08/x
  3. Step 3: Cross multiply
    8,532.72x = 12,799.08 × 3,340.08
  4. Step 4: Simplify right side
    8,532.72x = 42,749,951.13
  5. Step 5: Solve for x
    x = 42,749,951.13/8,532.72
  6. Step 6: Final answer
    x = 5,010.12

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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.