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Finding the Fourth Proportional to 67,691.45, 101,552.75 and 22,718.78

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Solution

The fourth proportional to 67,691.45, 101,552.75 and 22,718.78 is: 34,083.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,691.45 : 101,552.75 = 22,718.78 : x
  2. Step 2: Convert to fraction form
    67,691.45/101,552.75 = 22,718.78/x
  3. Step 3: Cross multiply
    67,691.45x = 101,552.75 × 22,718.78
  4. Step 4: Simplify right side
    67,691.45x = 2,307,154,134.68
  5. Step 5: Solve for x
    x = 2,307,154,134.68/67,691.45
  6. Step 6: Final answer
    x = 34,083.39

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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.