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Finding the Fourth Proportional to 29,315.25, 40,456.49 and 16,067.25

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Solution

The fourth proportional to 29,315.25, 40,456.49 and 16,067.25 is: 22,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.25 : 40,456.49 = 16,067.25 : x
  2. Step 2: Convert to fraction form
    29,315.25/40,456.49 = 16,067.25/x
  3. Step 3: Cross multiply
    29,315.25x = 40,456.49 × 16,067.25
  4. Step 4: Simplify right side
    29,315.25x = 650,024,458.62
  5. Step 5: Solve for x
    x = 650,024,458.62/29,315.25
  6. Step 6: Final answer
    x = 22,173.59

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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.