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Finding the Fourth Proportional to 1,849.20, 2,774.90 and 983.52

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Solution

The fourth proportional to 1,849.20, 2,774.90 and 983.52 is: 1,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.20 : 2,774.90 = 983.52 : x
  2. Step 2: Convert to fraction form
    1,849.20/2,774.90 = 983.52/x
  3. Step 3: Cross multiply
    1,849.20x = 2,774.90 × 983.52
  4. Step 4: Simplify right side
    1,849.20x = 2,729,169.65
  5. Step 5: Solve for x
    x = 2,729,169.65/1,849.20
  6. Step 6: Final answer
    x = 1,475.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.