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Finding the Fourth Proportional to 3,713.62, 5,568.51 and 1,959.56

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Solution

The fourth proportional to 3,713.62, 5,568.51 and 1,959.56 is: 2,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.62 : 5,568.51 = 1,959.56 : x
  2. Step 2: Convert to fraction form
    3,713.62/5,568.51 = 1,959.56/x
  3. Step 3: Cross multiply
    3,713.62x = 5,568.51 × 1,959.56
  4. Step 4: Simplify right side
    3,713.62x = 10,911,829.46
  5. Step 5: Solve for x
    x = 10,911,829.46/3,713.62
  6. Step 6: Final answer
    x = 2,938.33

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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.