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Finding the Fourth Proportional to 3,049.91, 4,574.60 and 969.96

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Solution

The fourth proportional to 3,049.91, 4,574.60 and 969.96 is: 1,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.91 : 4,574.60 = 969.96 : x
  2. Step 2: Convert to fraction form
    3,049.91/4,574.60 = 969.96/x
  3. Step 3: Cross multiply
    3,049.91x = 4,574.60 × 969.96
  4. Step 4: Simplify right side
    3,049.91x = 4,437,174.17
  5. Step 5: Solve for x
    x = 4,437,174.17/3,049.91
  6. Step 6: Final answer
    x = 1,454.86

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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.