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Finding the Fourth Proportional to 67,348.92, 92,923.28 and 38,276.88

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Solution

The fourth proportional to 67,348.92, 92,923.28 and 38,276.88 is: 52,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,348.92 : 92,923.28 = 38,276.88 : x
  2. Step 2: Convert to fraction form
    67,348.92/92,923.28 = 38,276.88/x
  3. Step 3: Cross multiply
    67,348.92x = 92,923.28 × 38,276.88
  4. Step 4: Simplify right side
    67,348.92x = 3,556,813,237.77
  5. Step 5: Solve for x
    x = 3,556,813,237.77/67,348.92
  6. Step 6: Final answer
    x = 52,811.73

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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.