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Finding the Fourth Proportional to 1,170.80, 1,754.73 and 1,024.21

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Solution

The fourth proportional to 1,170.80, 1,754.73 and 1,024.21 is: 1,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.80 : 1,754.73 = 1,024.21 : x
  2. Step 2: Convert to fraction form
    1,170.80/1,754.73 = 1,024.21/x
  3. Step 3: Cross multiply
    1,170.80x = 1,754.73 × 1,024.21
  4. Step 4: Simplify right side
    1,170.80x = 1,797,203.24
  5. Step 5: Solve for x
    x = 1,797,203.24/1,170.80
  6. Step 6: Final answer
    x = 1,535.02

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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.