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Finding the Fourth Proportional to 1,502.33, 2,251.90 and 886.32

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Solution

The fourth proportional to 1,502.33, 2,251.90 and 886.32 is: 1,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.33 : 2,251.90 = 886.32 : x
  2. Step 2: Convert to fraction form
    1,502.33/2,251.90 = 886.32/x
  3. Step 3: Cross multiply
    1,502.33x = 2,251.90 × 886.32
  4. Step 4: Simplify right side
    1,502.33x = 1,995,910.24
  5. Step 5: Solve for x
    x = 1,995,910.24/1,502.33
  6. Step 6: Final answer
    x = 1,328.54

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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.