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Finding the Fourth Proportional to 39,881.60, 59,793.60 and 22,356.80

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Solution

The fourth proportional to 39,881.60, 59,793.60 and 22,356.80 is: 33,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.60 : 59,793.60 = 22,356.80 : x
  2. Step 2: Convert to fraction form
    39,881.60/59,793.60 = 22,356.80/x
  3. Step 3: Cross multiply
    39,881.60x = 59,793.60 × 22,356.80
  4. Step 4: Simplify right side
    39,881.60x = 1,336,793,556.48
  5. Step 5: Solve for x
    x = 1,336,793,556.48/39,881.60
  6. Step 6: Final answer
    x = 33,519.06

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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.