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Finding the Fourth Proportional to 18,060.52, 27,086.68 and 8,695.75

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Solution

The fourth proportional to 18,060.52, 27,086.68 and 8,695.75 is: 13,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,060.52 : 27,086.68 = 8,695.75 : x
  2. Step 2: Convert to fraction form
    18,060.52/27,086.68 = 8,695.75/x
  3. Step 3: Cross multiply
    18,060.52x = 27,086.68 × 8,695.75
  4. Step 4: Simplify right side
    18,060.52x = 235,538,997.61
  5. Step 5: Solve for x
    x = 235,538,997.61/18,060.52
  6. Step 6: Final answer
    x = 13,041.65

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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.