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Finding the Fourth Proportional to 5,375.02, 8,062.32 and 1,479.32

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Solution

The fourth proportional to 5,375.02, 8,062.32 and 1,479.32 is: 2,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.02 : 8,062.32 = 1,479.32 : x
  2. Step 2: Convert to fraction form
    5,375.02/8,062.32 = 1,479.32/x
  3. Step 3: Cross multiply
    5,375.02x = 8,062.32 × 1,479.32
  4. Step 4: Simplify right side
    5,375.02x = 11,926,751.22
  5. Step 5: Solve for x
    x = 11,926,751.22/5,375.02
  6. Step 6: Final answer
    x = 2,218.92

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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.