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Finding the Fourth Proportional to 6,707.88, 9,255.82 and 3,723.66

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Solution

The fourth proportional to 6,707.88, 9,255.82 and 3,723.66 is: 5,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.88 : 9,255.82 = 3,723.66 : x
  2. Step 2: Convert to fraction form
    6,707.88/9,255.82 = 3,723.66/x
  3. Step 3: Cross multiply
    6,707.88x = 9,255.82 × 3,723.66
  4. Step 4: Simplify right side
    6,707.88x = 34,465,526.70
  5. Step 5: Solve for x
    x = 34,465,526.70/6,707.88
  6. Step 6: Final answer
    x = 5,138.07

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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.