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Finding the Fourth Proportional to 6,508.56, 8,978.88 and 4,523.88

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Solution

The fourth proportional to 6,508.56, 8,978.88 and 4,523.88 is: 6,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.56 : 8,978.88 = 4,523.88 : x
  2. Step 2: Convert to fraction form
    6,508.56/8,978.88 = 4,523.88/x
  3. Step 3: Cross multiply
    6,508.56x = 8,978.88 × 4,523.88
  4. Step 4: Simplify right side
    6,508.56x = 40,619,375.65
  5. Step 5: Solve for x
    x = 40,619,375.65/6,508.56
  6. Step 6: Final answer
    x = 6,240.92

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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.