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Finding the Fourth Proportional to 67,543.97, 101,314.21 and 21,951.42

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Solution

The fourth proportional to 67,543.97, 101,314.21 and 21,951.42 is: 32,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.97 : 101,314.21 = 21,951.42 : x
  2. Step 2: Convert to fraction form
    67,543.97/101,314.21 = 21,951.42/x
  3. Step 3: Cross multiply
    67,543.97x = 101,314.21 × 21,951.42
  4. Step 4: Simplify right side
    67,543.97x = 2,223,990,303.18
  5. Step 5: Solve for x
    x = 2,223,990,303.18/67,543.97
  6. Step 6: Final answer
    x = 32,926.56

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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.