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Finding the Fourth Proportional to 2,832.24, 4,248 and 884.16

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Solution

The fourth proportional to 2,832.24, 4,248 and 884.16 is: 1,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.24 : 4,248 = 884.16 : x
  2. Step 2: Convert to fraction form
    2,832.24/4,248 = 884.16/x
  3. Step 3: Cross multiply
    2,832.24x = 4,248 × 884.16
  4. Step 4: Simplify right side
    2,832.24x = 3,755,911.68
  5. Step 5: Solve for x
    x = 3,755,911.68/2,832.24
  6. Step 6: Final answer
    x = 1,326.13

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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.