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Finding the Fourth Proportional to 1,868.70, 2,797.13 and 1,044.48

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Solution

The fourth proportional to 1,868.70, 2,797.13 and 1,044.48 is: 1,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.70 : 2,797.13 = 1,044.48 : x
  2. Step 2: Convert to fraction form
    1,868.70/2,797.13 = 1,044.48/x
  3. Step 3: Cross multiply
    1,868.70x = 2,797.13 × 1,044.48
  4. Step 4: Simplify right side
    1,868.70x = 2,921,559.44
  5. Step 5: Solve for x
    x = 2,921,559.44/1,868.70
  6. Step 6: Final answer
    x = 1,563.41

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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.