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Finding the Fourth Proportional to 29,330.96, 40,481.90 and 17,398.44

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Solution

The fourth proportional to 29,330.96, 40,481.90 and 17,398.44 is: 24,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.96 : 40,481.90 = 17,398.44 : x
  2. Step 2: Convert to fraction form
    29,330.96/40,481.90 = 17,398.44/x
  3. Step 3: Cross multiply
    29,330.96x = 40,481.90 × 17,398.44
  4. Step 4: Simplify right side
    29,330.96x = 704,321,908.24
  5. Step 5: Solve for x
    x = 704,321,908.24/29,330.96
  6. Step 6: Final answer
    x = 24,012.92

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1.5x scale

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.