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Finding the Fourth Proportional to 29,375.67, 40,534.14 and 16,797.99

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Solution

The fourth proportional to 29,375.67, 40,534.14 and 16,797.99 is: 23,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.67 : 40,534.14 = 16,797.99 : x
  2. Step 2: Convert to fraction form
    29,375.67/40,534.14 = 16,797.99/x
  3. Step 3: Cross multiply
    29,375.67x = 40,534.14 × 16,797.99
  4. Step 4: Simplify right side
    29,375.67x = 680,892,078.38
  5. Step 5: Solve for x
    x = 680,892,078.38/29,375.67
  6. Step 6: Final answer
    x = 23,178.78

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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.