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Finding the Fourth Proportional to 2,262, 3,393.66 and 963.60

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Solution

The fourth proportional to 2,262, 3,393.66 and 963.60 is: 1,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262 : 3,393.66 = 963.60 : x
  2. Step 2: Convert to fraction form
    2,262/3,393.66 = 963.60/x
  3. Step 3: Cross multiply
    2,262x = 3,393.66 × 963.60
  4. Step 4: Simplify right side
    2,262x = 3,270,130.78
  5. Step 5: Solve for x
    x = 3,270,130.78/2,262
  6. Step 6: Final answer
    x = 1,445.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.