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Finding the Fourth Proportional to 1,712.62, 2,363.56 and 1,049.88

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Solution

The fourth proportional to 1,712.62, 2,363.56 and 1,049.88 is: 1,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.62 : 2,363.56 = 1,049.88 : x
  2. Step 2: Convert to fraction form
    1,712.62/2,363.56 = 1,049.88/x
  3. Step 3: Cross multiply
    1,712.62x = 2,363.56 × 1,049.88
  4. Step 4: Simplify right side
    1,712.62x = 2,481,454.37
  5. Step 5: Solve for x
    x = 2,481,454.37/1,712.62
  6. Step 6: Final answer
    x = 1,448.92

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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.