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Finding the Fourth Proportional to 53,470.60, 80,033.10 and 41,720.20

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Solution

The fourth proportional to 53,470.60, 80,033.10 and 41,720.20 is: 62,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.60 : 80,033.10 = 41,720.20 : x
  2. Step 2: Convert to fraction form
    53,470.60/80,033.10 = 41,720.20/x
  3. Step 3: Cross multiply
    53,470.60x = 80,033.10 × 41,720.20
  4. Step 4: Simplify right side
    53,470.60x = 3,338,996,938.62
  5. Step 5: Solve for x
    x = 3,338,996,938.62/53,470.60
  6. Step 6: Final answer
    x = 62,445.47

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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.