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Finding the Fourth Proportional to 23,239.12, 34,859.04 and 7,447.12

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Solution

The fourth proportional to 23,239.12, 34,859.04 and 7,447.12 is: 11,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239.12 : 34,859.04 = 7,447.12 : x
  2. Step 2: Convert to fraction form
    23,239.12/34,859.04 = 7,447.12/x
  3. Step 3: Cross multiply
    23,239.12x = 34,859.04 × 7,447.12
  4. Step 4: Simplify right side
    23,239.12x = 259,599,453.96
  5. Step 5: Solve for x
    x = 259,599,453.96/23,239.12
  6. Step 6: Final answer
    x = 11,170.80

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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.