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Finding the Fourth Proportional to 44,542.78, 66,793.28 and 25,828.13

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Solution

The fourth proportional to 44,542.78, 66,793.28 and 25,828.13 is: 38,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,542.78 : 66,793.28 = 25,828.13 : x
  2. Step 2: Convert to fraction form
    44,542.78/66,793.28 = 25,828.13/x
  3. Step 3: Cross multiply
    44,542.78x = 66,793.28 × 25,828.13
  4. Step 4: Simplify right side
    44,542.78x = 1,725,145,556.81
  5. Step 5: Solve for x
    x = 1,725,145,556.81/44,542.78
  6. Step 6: Final answer
    x = 38,730.08

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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.