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Finding the Fourth Proportional to 18,168.56, 27,264.40 and 6,481.52

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Solution

The fourth proportional to 18,168.56, 27,264.40 and 6,481.52 is: 9,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.56 : 27,264.40 = 6,481.52 : x
  2. Step 2: Convert to fraction form
    18,168.56/27,264.40 = 6,481.52/x
  3. Step 3: Cross multiply
    18,168.56x = 27,264.40 × 6,481.52
  4. Step 4: Simplify right side
    18,168.56x = 176,714,753.89
  5. Step 5: Solve for x
    x = 176,714,753.89/18,168.56
  6. Step 6: Final answer
    x = 9,726.40

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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.