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Finding the Fourth Proportional to 1,872.52, 2,584.03 and 1,033.20

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Solution

The fourth proportional to 1,872.52, 2,584.03 and 1,033.20 is: 1,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.52 : 2,584.03 = 1,033.20 : x
  2. Step 2: Convert to fraction form
    1,872.52/2,584.03 = 1,033.20/x
  3. Step 3: Cross multiply
    1,872.52x = 2,584.03 × 1,033.20
  4. Step 4: Simplify right side
    1,872.52x = 2,669,814.63
  5. Step 5: Solve for x
    x = 2,669,814.63/1,872.52
  6. Step 6: Final answer
    x = 1,425.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.