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Finding the Fourth Proportional to 2,360.87, 3,541.31 and 717.42

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Solution

The fourth proportional to 2,360.87, 3,541.31 and 717.42 is: 1,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.87 : 3,541.31 = 717.42 : x
  2. Step 2: Convert to fraction form
    2,360.87/3,541.31 = 717.42/x
  3. Step 3: Cross multiply
    2,360.87x = 3,541.31 × 717.42
  4. Step 4: Simplify right side
    2,360.87x = 2,540,603.03
  5. Step 5: Solve for x
    x = 2,540,603.03/2,360.87
  6. Step 6: Final answer
    x = 1,076.13

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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.