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Finding the Fourth Proportional to 23,239.77, 34,863.84 and 8,469.42

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Solution

The fourth proportional to 23,239.77, 34,863.84 and 8,469.42 is: 12,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239.77 : 34,863.84 = 8,469.42 : x
  2. Step 2: Convert to fraction form
    23,239.77/34,863.84 = 8,469.42/x
  3. Step 3: Cross multiply
    23,239.77x = 34,863.84 × 8,469.42
  4. Step 4: Simplify right side
    23,239.77x = 295,276,503.77
  5. Step 5: Solve for x
    x = 295,276,503.77/23,239.77
  6. Step 6: Final answer
    x = 12,705.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.