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Finding the Fourth Proportional to 1,763.88, 2,433.90 and 1,017.54

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Solution

The fourth proportional to 1,763.88, 2,433.90 and 1,017.54 is: 1,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.88 : 2,433.90 = 1,017.54 : x
  2. Step 2: Convert to fraction form
    1,763.88/2,433.90 = 1,017.54/x
  3. Step 3: Cross multiply
    1,763.88x = 2,433.90 × 1,017.54
  4. Step 4: Simplify right side
    1,763.88x = 2,476,590.61
  5. Step 5: Solve for x
    x = 2,476,590.61/1,763.88
  6. Step 6: Final answer
    x = 1,404.06

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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.