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Finding the Fourth Proportional to 69,563.80, 95,998.04 and 39,348.47

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Solution

The fourth proportional to 69,563.80, 95,998.04 and 39,348.47 is: 54,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,563.80 : 95,998.04 = 39,348.47 : x
  2. Step 2: Convert to fraction form
    69,563.80/95,998.04 = 39,348.47/x
  3. Step 3: Cross multiply
    69,563.80x = 95,998.04 × 39,348.47
  4. Step 4: Simplify right side
    69,563.80x = 3,777,375,800.26
  5. Step 5: Solve for x
    x = 3,777,375,800.26/69,563.80
  6. Step 6: Final answer
    x = 54,300.88

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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.