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Finding the Fourth Proportional to 6,708.19, 9,256.86 and 3,724.03

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Solution

The fourth proportional to 6,708.19, 9,256.86 and 3,724.03 is: 5,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.19 : 9,256.86 = 3,724.03 : x
  2. Step 2: Convert to fraction form
    6,708.19/9,256.86 = 3,724.03/x
  3. Step 3: Cross multiply
    6,708.19x = 9,256.86 × 3,724.03
  4. Step 4: Simplify right side
    6,708.19x = 34,472,824.35
  5. Step 5: Solve for x
    x = 34,472,824.35/6,708.19
  6. Step 6: Final answer
    x = 5,138.92

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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.