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Finding the Fourth Proportional to 67,335.96, 100,892.31 and 40,960.92

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Solution

The fourth proportional to 67,335.96, 100,892.31 and 40,960.92 is: 61,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.96 : 100,892.31 = 40,960.92 : x
  2. Step 2: Convert to fraction form
    67,335.96/100,892.31 = 40,960.92/x
  3. Step 3: Cross multiply
    67,335.96x = 100,892.31 × 40,960.92
  4. Step 4: Simplify right side
    67,335.96x = 4,132,641,838.53
  5. Step 5: Solve for x
    x = 4,132,641,838.53/67,335.96
  6. Step 6: Final answer
    x = 61,373.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.