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Finding the Fourth Proportional to 1,963.64, 2,946.81 and 732.04

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Solution

The fourth proportional to 1,963.64, 2,946.81 and 732.04 is: 1,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.64 : 2,946.81 = 732.04 : x
  2. Step 2: Convert to fraction form
    1,963.64/2,946.81 = 732.04/x
  3. Step 3: Cross multiply
    1,963.64x = 2,946.81 × 732.04
  4. Step 4: Simplify right side
    1,963.64x = 2,157,178.17
  5. Step 5: Solve for x
    x = 2,157,178.17/1,963.64
  6. Step 6: Final answer
    x = 1,098.56

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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.