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Finding the Fourth Proportional to 1,763.76, 2,431.62 and 1,514

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Solution

The fourth proportional to 1,763.76, 2,431.62 and 1,514 is: 2,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.76 : 2,431.62 = 1,514 : x
  2. Step 2: Convert to fraction form
    1,763.76/2,431.62 = 1,514/x
  3. Step 3: Cross multiply
    1,763.76x = 2,431.62 × 1,514
  4. Step 4: Simplify right side
    1,763.76x = 3,681,472.68
  5. Step 5: Solve for x
    x = 3,681,472.68/1,763.76
  6. Step 6: Final answer
    x = 2,087.29

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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.