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Finding the Fourth Proportional to 1,718.87, 2,371.11 and 1,483.79

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Solution

The fourth proportional to 1,718.87, 2,371.11 and 1,483.79 is: 2,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.87 : 2,371.11 = 1,483.79 : x
  2. Step 2: Convert to fraction form
    1,718.87/2,371.11 = 1,483.79/x
  3. Step 3: Cross multiply
    1,718.87x = 2,371.11 × 1,483.79
  4. Step 4: Simplify right side
    1,718.87x = 3,518,229.31
  5. Step 5: Solve for x
    x = 3,518,229.31/1,718.87
  6. Step 6: Final answer
    x = 2,046.83

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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.