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Finding the Fourth Proportional to 3,045.94, 4,569.72 and 966

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Solution

The fourth proportional to 3,045.94, 4,569.72 and 966 is: 1,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.94 : 4,569.72 = 966 : x
  2. Step 2: Convert to fraction form
    3,045.94/4,569.72 = 966/x
  3. Step 3: Cross multiply
    3,045.94x = 4,569.72 × 966
  4. Step 4: Simplify right side
    3,045.94x = 4,414,349.52
  5. Step 5: Solve for x
    x = 4,414,349.52/3,045.94
  6. Step 6: Final answer
    x = 1,449.26

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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.