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Finding the Fourth Proportional to 2,033.72, 3,050.36 and 717.24

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Solution

The fourth proportional to 2,033.72, 3,050.36 and 717.24 is: 1,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.72 : 3,050.36 = 717.24 : x
  2. Step 2: Convert to fraction form
    2,033.72/3,050.36 = 717.24/x
  3. Step 3: Cross multiply
    2,033.72x = 3,050.36 × 717.24
  4. Step 4: Simplify right side
    2,033.72x = 2,187,840.21
  5. Step 5: Solve for x
    x = 2,187,840.21/2,033.72
  6. Step 6: Final answer
    x = 1,075.78

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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.