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Finding the Fourth Proportional to 18,432.77, 27,649.01 and 8,566.56

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Solution

The fourth proportional to 18,432.77, 27,649.01 and 8,566.56 is: 12,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.77 : 27,649.01 = 8,566.56 : x
  2. Step 2: Convert to fraction form
    18,432.77/27,649.01 = 8,566.56/x
  3. Step 3: Cross multiply
    18,432.77x = 27,649.01 × 8,566.56
  4. Step 4: Simplify right side
    18,432.77x = 236,856,924.52
  5. Step 5: Solve for x
    x = 236,856,924.52/18,432.77
  6. Step 6: Final answer
    x = 12,849.78

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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.