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Finding the Fourth Proportional to 67,323.76, 92,891.82 and 38,641.66

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Solution

The fourth proportional to 67,323.76, 92,891.82 and 38,641.66 is: 53,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,323.76 : 92,891.82 = 38,641.66 : x
  2. Step 2: Convert to fraction form
    67,323.76/92,891.82 = 38,641.66/x
  3. Step 3: Cross multiply
    67,323.76x = 92,891.82 × 38,641.66
  4. Step 4: Simplify right side
    67,323.76x = 3,589,494,125.22
  5. Step 5: Solve for x
    x = 3,589,494,125.22/67,323.76
  6. Step 6: Final answer
    x = 53,316.90

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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.