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Finding the Fourth Proportional to 1,063.38, 1,467.44 and 591.27

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Solution

The fourth proportional to 1,063.38, 1,467.44 and 591.27 is: 815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.38 : 1,467.44 = 591.27 : x
  2. Step 2: Convert to fraction form
    1,063.38/1,467.44 = 591.27/x
  3. Step 3: Cross multiply
    1,063.38x = 1,467.44 × 591.27
  4. Step 4: Simplify right side
    1,063.38x = 867,650.29
  5. Step 5: Solve for x
    x = 867,650.29/1,063.38
  6. Step 6: Final answer
    x = 815.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.