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Finding the Fourth Proportional to 57,999.52, 80,001.84 and 39,841.60

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Solution

The fourth proportional to 57,999.52, 80,001.84 and 39,841.60 is: 54,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.52 : 80,001.84 = 39,841.60 : x
  2. Step 2: Convert to fraction form
    57,999.52/80,001.84 = 39,841.60/x
  3. Step 3: Cross multiply
    57,999.52x = 80,001.84 × 39,841.60
  4. Step 4: Simplify right side
    57,999.52x = 3,187,401,308.54
  5. Step 5: Solve for x
    x = 3,187,401,308.54/57,999.52
  6. Step 6: Final answer
    x = 54,955.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.