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Finding the Fourth Proportional to 69,201.43, 95,478.22 and 38,976.19

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Solution

The fourth proportional to 69,201.43, 95,478.22 and 38,976.19 is: 53,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201.43 : 95,478.22 = 38,976.19 : x
  2. Step 2: Convert to fraction form
    69,201.43/95,478.22 = 38,976.19/x
  3. Step 3: Cross multiply
    69,201.43x = 95,478.22 × 38,976.19
  4. Step 4: Simplify right side
    69,201.43x = 3,721,377,243.58
  5. Step 5: Solve for x
    x = 3,721,377,243.58/69,201.43
  6. Step 6: Final answer
    x = 53,776.02

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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.