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Finding the Fourth Proportional to 2,479.28, 3,719.55 and 1,750.28

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Solution

The fourth proportional to 2,479.28, 3,719.55 and 1,750.28 is: 2,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.28 : 3,719.55 = 1,750.28 : x
  2. Step 2: Convert to fraction form
    2,479.28/3,719.55 = 1,750.28/x
  3. Step 3: Cross multiply
    2,479.28x = 3,719.55 × 1,750.28
  4. Step 4: Simplify right side
    2,479.28x = 6,510,253.97
  5. Step 5: Solve for x
    x = 6,510,253.97/2,479.28
  6. Step 6: Final answer
    x = 2,625.86

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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.