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Finding the Fourth Proportional to 2,360.85, 3,541.79 and 717.53

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Solution

The fourth proportional to 2,360.85, 3,541.79 and 717.53 is: 1,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.85 : 3,541.79 = 717.53 : x
  2. Step 2: Convert to fraction form
    2,360.85/3,541.79 = 717.53/x
  3. Step 3: Cross multiply
    2,360.85x = 3,541.79 × 717.53
  4. Step 4: Simplify right side
    2,360.85x = 2,541,340.58
  5. Step 5: Solve for x
    x = 2,541,340.58/2,360.85
  6. Step 6: Final answer
    x = 1,076.45

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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.