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Finding the Fourth Proportional to 29,679.86, 40,958.04 and 16,250.87

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Solution

The fourth proportional to 29,679.86, 40,958.04 and 16,250.87 is: 22,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.86 : 40,958.04 = 16,250.87 : x
  2. Step 2: Convert to fraction form
    29,679.86/40,958.04 = 16,250.87/x
  3. Step 3: Cross multiply
    29,679.86x = 40,958.04 × 16,250.87
  4. Step 4: Simplify right side
    29,679.86x = 665,603,578.70
  5. Step 5: Solve for x
    x = 665,603,578.70/29,679.86
  6. Step 6: Final answer
    x = 22,426.11

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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.