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Finding the Fourth Proportional to 69,044.96, 95,285.50 and 38,839.80

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Solution

The fourth proportional to 69,044.96, 95,285.50 and 38,839.80 is: 53,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,044.96 : 95,285.50 = 38,839.80 : x
  2. Step 2: Convert to fraction form
    69,044.96/95,285.50 = 38,839.80/x
  3. Step 3: Cross multiply
    69,044.96x = 95,285.50 × 38,839.80
  4. Step 4: Simplify right side
    69,044.96x = 3,700,869,762.90
  5. Step 5: Solve for x
    x = 3,700,869,762.90/69,044.96
  6. Step 6: Final answer
    x = 53,600.87

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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.