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Finding the Fourth Proportional to 44,657.28, 66,951.36 and 20,016

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Solution

The fourth proportional to 44,657.28, 66,951.36 and 20,016 is: 30,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,657.28 : 66,951.36 = 20,016 : x
  2. Step 2: Convert to fraction form
    44,657.28/66,951.36 = 20,016/x
  3. Step 3: Cross multiply
    44,657.28x = 66,951.36 × 20,016
  4. Step 4: Simplify right side
    44,657.28x = 1,340,098,421.76
  5. Step 5: Solve for x
    x = 1,340,098,421.76/44,657.28
  6. Step 6: Final answer
    x = 30,008.51

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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.