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Finding the Fourth Proportional to 29,532.80, 44,291.28 and 20,171.22

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Solution

The fourth proportional to 29,532.80, 44,291.28 and 20,171.22 is: 30,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,532.80 : 44,291.28 = 20,171.22 : x
  2. Step 2: Convert to fraction form
    29,532.80/44,291.28 = 20,171.22/x
  3. Step 3: Cross multiply
    29,532.80x = 44,291.28 × 20,171.22
  4. Step 4: Simplify right side
    29,532.80x = 893,409,152.96
  5. Step 5: Solve for x
    x = 893,409,152.96/29,532.80
  6. Step 6: Final answer
    x = 30,251.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.