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Finding the Fourth Proportional to 2,963.91, 4,446.51 and 884.08

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Solution

The fourth proportional to 2,963.91, 4,446.51 and 884.08 is: 1,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.91 : 4,446.51 = 884.08 : x
  2. Step 2: Convert to fraction form
    2,963.91/4,446.51 = 884.08/x
  3. Step 3: Cross multiply
    2,963.91x = 4,446.51 × 884.08
  4. Step 4: Simplify right side
    2,963.91x = 3,931,072.80
  5. Step 5: Solve for x
    x = 3,931,072.80/2,963.91
  6. Step 6: Final answer
    x = 1,326.31

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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.