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Finding the Fourth Proportional to 44,532.78, 66,799.20 and 19,891.50

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Solution

The fourth proportional to 44,532.78, 66,799.20 and 19,891.50 is: 29,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,532.78 : 66,799.20 = 19,891.50 : x
  2. Step 2: Convert to fraction form
    44,532.78/66,799.20 = 19,891.50/x
  3. Step 3: Cross multiply
    44,532.78x = 66,799.20 × 19,891.50
  4. Step 4: Simplify right side
    44,532.78x = 1,328,736,286.80
  5. Step 5: Solve for x
    x = 1,328,736,286.80/44,532.78
  6. Step 6: Final answer
    x = 29,837.26

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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.