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Finding the Fourth Proportional to 2,937.61, 4,405.97 and 963.44

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Solution

The fourth proportional to 2,937.61, 4,405.97 and 963.44 is: 1,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.61 : 4,405.97 = 963.44 : x
  2. Step 2: Convert to fraction form
    2,937.61/4,405.97 = 963.44/x
  3. Step 3: Cross multiply
    2,937.61x = 4,405.97 × 963.44
  4. Step 4: Simplify right side
    2,937.61x = 4,244,893.93
  5. Step 5: Solve for x
    x = 4,244,893.93/2,937.61
  6. Step 6: Final answer
    x = 1,445.02

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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.