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Finding the Fourth Proportional to 69,262.38, 95,582.10 and 39,454.38

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Solution

The fourth proportional to 69,262.38, 95,582.10 and 39,454.38 is: 54,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.38 : 95,582.10 = 39,454.38 : x
  2. Step 2: Convert to fraction form
    69,262.38/95,582.10 = 39,454.38/x
  3. Step 3: Cross multiply
    69,262.38x = 95,582.10 × 39,454.38
  4. Step 4: Simplify right side
    69,262.38x = 3,771,132,494.60
  5. Step 5: Solve for x
    x = 3,771,132,494.60/69,262.38
  6. Step 6: Final answer
    x = 54,447.05

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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.