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Finding the Fourth Proportional to 6,708.70, 9,258.18 and 3,724.66

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Solution

The fourth proportional to 6,708.70, 9,258.18 and 3,724.66 is: 5,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.70 : 9,258.18 = 3,724.66 : x
  2. Step 2: Convert to fraction form
    6,708.70/9,258.18 = 3,724.66/x
  3. Step 3: Cross multiply
    6,708.70x = 9,258.18 × 3,724.66
  4. Step 4: Simplify right side
    6,708.70x = 34,483,546.08
  5. Step 5: Solve for x
    x = 34,483,546.08/6,708.70
  6. Step 6: Final answer
    x = 5,140.13

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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.