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Finding the Fourth Proportional to 69,543.80, 95,969.60 and 37,712.31

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Solution

The fourth proportional to 69,543.80, 95,969.60 and 37,712.31 is: 52,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.80 : 95,969.60 = 37,712.31 : x
  2. Step 2: Convert to fraction form
    69,543.80/95,969.60 = 37,712.31/x
  3. Step 3: Cross multiply
    69,543.80x = 95,969.60 × 37,712.31
  4. Step 4: Simplify right side
    69,543.80x = 3,619,235,305.78
  5. Step 5: Solve for x
    x = 3,619,235,305.78/69,543.80
  6. Step 6: Final answer
    x = 52,042.53

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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.