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Finding the Fourth Proportional to 29,863.72, 41,211.04 and 16,434.96

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Solution

The fourth proportional to 29,863.72, 41,211.04 and 16,434.96 is: 22,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,863.72 : 41,211.04 = 16,434.96 : x
  2. Step 2: Convert to fraction form
    29,863.72/41,211.04 = 16,434.96/x
  3. Step 3: Cross multiply
    29,863.72x = 41,211.04 × 16,434.96
  4. Step 4: Simplify right side
    29,863.72x = 677,301,793.96
  5. Step 5: Solve for x
    x = 677,301,793.96/29,863.72
  6. Step 6: Final answer
    x = 22,679.75

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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.