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Finding the Fourth Proportional to 5,899.87, 8,141.76 and 3,247.22

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Solution

The fourth proportional to 5,899.87, 8,141.76 and 3,247.22 is: 4,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.87 : 8,141.76 = 3,247.22 : x
  2. Step 2: Convert to fraction form
    5,899.87/8,141.76 = 3,247.22/x
  3. Step 3: Cross multiply
    5,899.87x = 8,141.76 × 3,247.22
  4. Step 4: Simplify right side
    5,899.87x = 26,438,069.67
  5. Step 5: Solve for x
    x = 26,438,069.67/5,899.87
  6. Step 6: Final answer
    x = 4,481.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.