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Finding the Fourth Proportional to 2,932.96, 4,398.48 and 1,372.48

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Solution

The fourth proportional to 2,932.96, 4,398.48 and 1,372.48 is: 2,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.96 : 4,398.48 = 1,372.48 : x
  2. Step 2: Convert to fraction form
    2,932.96/4,398.48 = 1,372.48/x
  3. Step 3: Cross multiply
    2,932.96x = 4,398.48 × 1,372.48
  4. Step 4: Simplify right side
    2,932.96x = 6,036,825.83
  5. Step 5: Solve for x
    x = 6,036,825.83/2,932.96
  6. Step 6: Final answer
    x = 2,058.27

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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.