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Finding the Fourth Proportional to 62,042.40, 93,063.60 and 38,422.80

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Solution

The fourth proportional to 62,042.40, 93,063.60 and 38,422.80 is: 57,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,042.40 : 93,063.60 = 38,422.80 : x
  2. Step 2: Convert to fraction form
    62,042.40/93,063.60 = 38,422.80/x
  3. Step 3: Cross multiply
    62,042.40x = 93,063.60 × 38,422.80
  4. Step 4: Simplify right side
    62,042.40x = 3,575,764,090.08
  5. Step 5: Solve for x
    x = 3,575,764,090.08/62,042.40
  6. Step 6: Final answer
    x = 57,634.20

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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.