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Finding the Fourth Proportional to 2,360.81, 3,541.37 and 717.48

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Solution

The fourth proportional to 2,360.81, 3,541.37 and 717.48 is: 1,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.81 : 3,541.37 = 717.48 : x
  2. Step 2: Convert to fraction form
    2,360.81/3,541.37 = 717.48/x
  3. Step 3: Cross multiply
    2,360.81x = 3,541.37 × 717.48
  4. Step 4: Simplify right side
    2,360.81x = 2,540,858.56
  5. Step 5: Solve for x
    x = 2,540,858.56/2,360.81
  6. Step 6: Final answer
    x = 1,076.26

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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.