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Finding the Fourth Proportional to 1,967.13, 2,944.08 and 1,144.17

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Solution

The fourth proportional to 1,967.13, 2,944.08 and 1,144.17 is: 1,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.13 : 2,944.08 = 1,144.17 : x
  2. Step 2: Convert to fraction form
    1,967.13/2,944.08 = 1,144.17/x
  3. Step 3: Cross multiply
    1,967.13x = 2,944.08 × 1,144.17
  4. Step 4: Simplify right side
    1,967.13x = 3,368,528.01
  5. Step 5: Solve for x
    x = 3,368,528.01/1,967.13
  6. Step 6: Final answer
    x = 1,712.41

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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.