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Finding the Fourth Proportional to 29,415.75, 40,593.80 and 16,167.75

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Solution

The fourth proportional to 29,415.75, 40,593.80 and 16,167.75 is: 22,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.75 : 40,593.80 = 16,167.75 : x
  2. Step 2: Convert to fraction form
    29,415.75/40,593.80 = 16,167.75/x
  3. Step 3: Cross multiply
    29,415.75x = 40,593.80 × 16,167.75
  4. Step 4: Simplify right side
    29,415.75x = 656,310,329.11
  5. Step 5: Solve for x
    x = 656,310,329.11/29,415.75
  6. Step 6: Final answer
    x = 22,311.53

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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.