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Finding the Fourth Proportional to 5,375.70, 8,062.62 and 1,479.18

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Solution

The fourth proportional to 5,375.70, 8,062.62 and 1,479.18 is: 2,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.70 : 8,062.62 = 1,479.18 : x
  2. Step 2: Convert to fraction form
    5,375.70/8,062.62 = 1,479.18/x
  3. Step 3: Cross multiply
    5,375.70x = 8,062.62 × 1,479.18
  4. Step 4: Simplify right side
    5,375.70x = 11,926,066.25
  5. Step 5: Solve for x
    x = 11,926,066.25/5,375.70
  6. Step 6: Final answer
    x = 2,218.51

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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.