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Finding the Fourth Proportional to 15,882.76, 23,824.14 and 6,521.18

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Solution

The fourth proportional to 15,882.76, 23,824.14 and 6,521.18 is: 9,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.76 : 23,824.14 = 6,521.18 : x
  2. Step 2: Convert to fraction form
    15,882.76/23,824.14 = 6,521.18/x
  3. Step 3: Cross multiply
    15,882.76x = 23,824.14 × 6,521.18
  4. Step 4: Simplify right side
    15,882.76x = 155,361,472.68
  5. Step 5: Solve for x
    x = 155,361,472.68/15,882.76
  6. Step 6: Final answer
    x = 9,781.77

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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.