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Finding the Fourth Proportional to 1,937.68, 2,905.04 and 964.44

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Solution

The fourth proportional to 1,937.68, 2,905.04 and 964.44 is: 1,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.68 : 2,905.04 = 964.44 : x
  2. Step 2: Convert to fraction form
    1,937.68/2,905.04 = 964.44/x
  3. Step 3: Cross multiply
    1,937.68x = 2,905.04 × 964.44
  4. Step 4: Simplify right side
    1,937.68x = 2,801,736.78
  5. Step 5: Solve for x
    x = 2,801,736.78/1,937.68
  6. Step 6: Final answer
    x = 1,445.92

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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.