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Finding the Fourth Proportional to 22,034.76, 30,432.78 and 14,948.88

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Solution

The fourth proportional to 22,034.76, 30,432.78 and 14,948.88 is: 20,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034.76 : 30,432.78 = 14,948.88 : x
  2. Step 2: Convert to fraction form
    22,034.76/30,432.78 = 14,948.88/x
  3. Step 3: Cross multiply
    22,034.76x = 30,432.78 × 14,948.88
  4. Step 4: Simplify right side
    22,034.76x = 454,935,976.29
  5. Step 5: Solve for x
    x = 454,935,976.29/22,034.76
  6. Step 6: Final answer
    x = 20,646.29

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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.