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Finding the Fourth Proportional to 18,325.26, 27,478.08 and 5,841.90

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Solution

The fourth proportional to 18,325.26, 27,478.08 and 5,841.90 is: 8,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.26 : 27,478.08 = 5,841.90 : x
  2. Step 2: Convert to fraction form
    18,325.26/27,478.08 = 5,841.90/x
  3. Step 3: Cross multiply
    18,325.26x = 27,478.08 × 5,841.90
  4. Step 4: Simplify right side
    18,325.26x = 160,524,195.55
  5. Step 5: Solve for x
    x = 160,524,195.55/18,325.26
  6. Step 6: Final answer
    x = 8,759.72

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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.