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Finding the Fourth Proportional to 67,081.84, 100,651.50 and 22,713.28

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Solution

The fourth proportional to 67,081.84, 100,651.50 and 22,713.28 is: 34,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.84 : 100,651.50 = 22,713.28 : x
  2. Step 2: Convert to fraction form
    67,081.84/100,651.50 = 22,713.28/x
  3. Step 3: Cross multiply
    67,081.84x = 100,651.50 × 22,713.28
  4. Step 4: Simplify right side
    67,081.84x = 2,286,125,701.92
  5. Step 5: Solve for x
    x = 2,286,125,701.92/67,081.84
  6. Step 6: Final answer
    x = 34,079.65

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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.