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Finding the Fourth Proportional to 1,060.97, 1,589.61 and 574.35

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Solution

The fourth proportional to 1,060.97, 1,589.61 and 574.35 is: 860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.97 : 1,589.61 = 574.35 : x
  2. Step 2: Convert to fraction form
    1,060.97/1,589.61 = 574.35/x
  3. Step 3: Cross multiply
    1,060.97x = 1,589.61 × 574.35
  4. Step 4: Simplify right side
    1,060.97x = 912,992.50
  5. Step 5: Solve for x
    x = 912,992.50/1,060.97
  6. Step 6: Final answer
    x = 860.53

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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.