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Finding the Fourth Proportional to 67,265.38, 92,826.22 and 38,987.48

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Solution

The fourth proportional to 67,265.38, 92,826.22 and 38,987.48 is: 53,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,265.38 : 92,826.22 = 38,987.48 : x
  2. Step 2: Convert to fraction form
    67,265.38/92,826.22 = 38,987.48/x
  3. Step 3: Cross multiply
    67,265.38x = 92,826.22 × 38,987.48
  4. Step 4: Simplify right side
    67,265.38x = 3,619,060,395.73
  5. Step 5: Solve for x
    x = 3,619,060,395.73/67,265.38
  6. Step 6: Final answer
    x = 53,802.72

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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.