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Finding the Fourth Proportional to 69,182.64, 95,473.80 and 38,968.92

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Solution

The fourth proportional to 69,182.64, 95,473.80 and 38,968.92 is: 53,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.64 : 95,473.80 = 38,968.92 : x
  2. Step 2: Convert to fraction form
    69,182.64/95,473.80 = 38,968.92/x
  3. Step 3: Cross multiply
    69,182.64x = 95,473.80 × 38,968.92
  4. Step 4: Simplify right side
    69,182.64x = 3,720,510,874.30
  5. Step 5: Solve for x
    x = 3,720,510,874.30/69,182.64
  6. Step 6: Final answer
    x = 53,778.10

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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.