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Finding the Fourth Proportional to 3,708.71, 5,561.06 and 1,626.28

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Solution

The fourth proportional to 3,708.71, 5,561.06 and 1,626.28 is: 2,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.71 : 5,561.06 = 1,626.28 : x
  2. Step 2: Convert to fraction form
    3,708.71/5,561.06 = 1,626.28/x
  3. Step 3: Cross multiply
    3,708.71x = 5,561.06 × 1,626.28
  4. Step 4: Simplify right side
    3,708.71x = 9,043,818.62
  5. Step 5: Solve for x
    x = 9,043,818.62/3,708.71
  6. Step 6: Final answer
    x = 2,438.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.