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Finding the Fourth Proportional to 1,082.93, 1,493.52 and 704.91

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Solution

The fourth proportional to 1,082.93, 1,493.52 and 704.91 is: 972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.93 : 1,493.52 = 704.91 : x
  2. Step 2: Convert to fraction form
    1,082.93/1,493.52 = 704.91/x
  3. Step 3: Cross multiply
    1,082.93x = 1,493.52 × 704.91
  4. Step 4: Simplify right side
    1,082.93x = 1,052,797.18
  5. Step 5: Solve for x
    x = 1,052,797.18/1,082.93
  6. Step 6: Final answer
    x = 972.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.