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Finding the Fourth Proportional to 3,718.76, 5,567.28 and 1,959.56

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Solution

The fourth proportional to 3,718.76, 5,567.28 and 1,959.56 is: 2,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.76 : 5,567.28 = 1,959.56 : x
  2. Step 2: Convert to fraction form
    3,718.76/5,567.28 = 1,959.56/x
  3. Step 3: Cross multiply
    3,718.76x = 5,567.28 × 1,959.56
  4. Step 4: Simplify right side
    3,718.76x = 10,909,419.20
  5. Step 5: Solve for x
    x = 10,909,419.20/3,718.76
  6. Step 6: Final answer
    x = 2,933.62

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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.