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Finding the Fourth Proportional to 12,500.87, 18,660.06 and 10,924.47

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Solution

The fourth proportional to 12,500.87, 18,660.06 and 10,924.47 is: 16,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.87 : 18,660.06 = 10,924.47 : x
  2. Step 2: Convert to fraction form
    12,500.87/18,660.06 = 10,924.47/x
  3. Step 3: Cross multiply
    12,500.87x = 18,660.06 × 10,924.47
  4. Step 4: Simplify right side
    12,500.87x = 203,851,265.67
  5. Step 5: Solve for x
    x = 203,851,265.67/12,500.87
  6. Step 6: Final answer
    x = 16,306.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.