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Finding the Fourth Proportional to 2,360.77, 3,541.13 and 717.31

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Solution

The fourth proportional to 2,360.77, 3,541.13 and 717.31 is: 1,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.77 : 3,541.13 = 717.31 : x
  2. Step 2: Convert to fraction form
    2,360.77/3,541.13 = 717.31/x
  3. Step 3: Cross multiply
    2,360.77x = 3,541.13 × 717.31
  4. Step 4: Simplify right side
    2,360.77x = 2,540,070.25
  5. Step 5: Solve for x
    x = 2,540,070.25/2,360.77
  6. Step 6: Final answer
    x = 1,075.95

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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.