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Finding the Fourth Proportional to 6,876.91, 9,489.99 and 3,733.10

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Solution

The fourth proportional to 6,876.91, 9,489.99 and 3,733.10 is: 5,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.91 : 9,489.99 = 3,733.10 : x
  2. Step 2: Convert to fraction form
    6,876.91/9,489.99 = 3,733.10/x
  3. Step 3: Cross multiply
    6,876.91x = 9,489.99 × 3,733.10
  4. Step 4: Simplify right side
    6,876.91x = 35,427,081.67
  5. Step 5: Solve for x
    x = 35,427,081.67/6,876.91
  6. Step 6: Final answer
    x = 5,151.60

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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.