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Finding the Fourth Proportional to 6,207.79, 8,566.64 and 3,375.22

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Solution

The fourth proportional to 6,207.79, 8,566.64 and 3,375.22 is: 4,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.79 : 8,566.64 = 3,375.22 : x
  2. Step 2: Convert to fraction form
    6,207.79/8,566.64 = 3,375.22/x
  3. Step 3: Cross multiply
    6,207.79x = 8,566.64 × 3,375.22
  4. Step 4: Simplify right side
    6,207.79x = 28,914,294.66
  5. Step 5: Solve for x
    x = 28,914,294.66/6,207.79
  6. Step 6: Final answer
    x = 4,657.74

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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.