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Finding the Fourth Proportional to 25,170.62, 34,732.62 and 15,099.46

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Solution

The fourth proportional to 25,170.62, 34,732.62 and 15,099.46 is: 20,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.62 : 34,732.62 = 15,099.46 : x
  2. Step 2: Convert to fraction form
    25,170.62/34,732.62 = 15,099.46/x
  3. Step 3: Cross multiply
    25,170.62x = 34,732.62 × 15,099.46
  4. Step 4: Simplify right side
    25,170.62x = 524,443,806.39
  5. Step 5: Solve for x
    x = 524,443,806.39/25,170.62
  6. Step 6: Final answer
    x = 20,835.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.