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Finding the Fourth Proportional to 67,177.44, 92,713.92 and 38,508.48

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Solution

The fourth proportional to 67,177.44, 92,713.92 and 38,508.48 is: 53,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.44 : 92,713.92 = 38,508.48 : x
  2. Step 2: Convert to fraction form
    67,177.44/92,713.92 = 38,508.48/x
  3. Step 3: Cross multiply
    67,177.44x = 92,713.92 × 38,508.48
  4. Step 4: Simplify right side
    67,177.44x = 3,570,272,134.04
  5. Step 5: Solve for x
    x = 3,570,272,134.04/67,177.44
  6. Step 6: Final answer
    x = 53,146.89

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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.