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Finding the Fourth Proportional to 15,099.75, 22,652.87 and 5,865.75

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Solution

The fourth proportional to 15,099.75, 22,652.87 and 5,865.75 is: 8,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.75 : 22,652.87 = 5,865.75 : x
  2. Step 2: Convert to fraction form
    15,099.75/22,652.87 = 5,865.75/x
  3. Step 3: Cross multiply
    15,099.75x = 22,652.87 × 5,865.75
  4. Step 4: Simplify right side
    15,099.75x = 132,876,042.87
  5. Step 5: Solve for x
    x = 132,876,042.87/15,099.75
  6. Step 6: Final answer
    x = 8,799.88

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1.5x scale

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.