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Finding the Fourth Proportional to 67,272.38, 100,921.80 and 22,887.08

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Solution

The fourth proportional to 67,272.38, 100,921.80 and 22,887.08 is: 34,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,272.38 : 100,921.80 = 22,887.08 : x
  2. Step 2: Convert to fraction form
    67,272.38/100,921.80 = 22,887.08/x
  3. Step 3: Cross multiply
    67,272.38x = 100,921.80 × 22,887.08
  4. Step 4: Simplify right side
    67,272.38x = 2,309,805,310.34
  5. Step 5: Solve for x
    x = 2,309,805,310.34/67,272.38
  6. Step 6: Final answer
    x = 34,335.12

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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.