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Finding the Fourth Proportional to 6,081.52, 9,109.92 and 4,523.20

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Solution

The fourth proportional to 6,081.52, 9,109.92 and 4,523.20 is: 6,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.52 : 9,109.92 = 4,523.20 : x
  2. Step 2: Convert to fraction form
    6,081.52/9,109.92 = 4,523.20/x
  3. Step 3: Cross multiply
    6,081.52x = 9,109.92 × 4,523.20
  4. Step 4: Simplify right side
    6,081.52x = 41,205,990.14
  5. Step 5: Solve for x
    x = 41,205,990.14/6,081.52
  6. Step 6: Final answer
    x = 6,775.61

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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.