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Finding the Fourth Proportional to 1,522.60, 2,102.43 and 963.97

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Solution

The fourth proportional to 1,522.60, 2,102.43 and 963.97 is: 1,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.60 : 2,102.43 = 963.97 : x
  2. Step 2: Convert to fraction form
    1,522.60/2,102.43 = 963.97/x
  3. Step 3: Cross multiply
    1,522.60x = 2,102.43 × 963.97
  4. Step 4: Simplify right side
    1,522.60x = 2,026,679.45
  5. Step 5: Solve for x
    x = 2,026,679.45/1,522.60
  6. Step 6: Final answer
    x = 1,331.06

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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.