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Finding the Fourth Proportional to 1,966.05, 2,948.17 and 733.13

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Solution

The fourth proportional to 1,966.05, 2,948.17 and 733.13 is: 1,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.05 : 2,948.17 = 733.13 : x
  2. Step 2: Convert to fraction form
    1,966.05/2,948.17 = 733.13/x
  3. Step 3: Cross multiply
    1,966.05x = 2,948.17 × 733.13
  4. Step 4: Simplify right side
    1,966.05x = 2,161,399.24
  5. Step 5: Solve for x
    x = 2,161,399.24/1,966.05
  6. Step 6: Final answer
    x = 1,099.36

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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.