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Finding the Fourth Proportional to 18,082.44, 27,125.28 and 6,395.76

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Solution

The fourth proportional to 18,082.44, 27,125.28 and 6,395.76 is: 9,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.44 : 27,125.28 = 6,395.76 : x
  2. Step 2: Convert to fraction form
    18,082.44/27,125.28 = 6,395.76/x
  3. Step 3: Cross multiply
    18,082.44x = 27,125.28 × 6,395.76
  4. Step 4: Simplify right side
    18,082.44x = 173,486,780.81
  5. Step 5: Solve for x
    x = 173,486,780.81/18,082.44
  6. Step 6: Final answer
    x = 9,594.21

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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.