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Finding the Fourth Proportional to 2,232, 3,349.44 and 864

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Solution

The fourth proportional to 2,232, 3,349.44 and 864 is: 1,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232 : 3,349.44 = 864 : x
  2. Step 2: Convert to fraction form
    2,232/3,349.44 = 864/x
  3. Step 3: Cross multiply
    2,232x = 3,349.44 × 864
  4. Step 4: Simplify right side
    2,232x = 2,893,916.16
  5. Step 5: Solve for x
    x = 2,893,916.16/2,232
  6. Step 6: Final answer
    x = 1,296.56

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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.