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Finding the Fourth Proportional to 23,886.69, 35,835.13 and 8,091.17

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Solution

The fourth proportional to 23,886.69, 35,835.13 and 8,091.17 is: 12,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,886.69 : 35,835.13 = 8,091.17 : x
  2. Step 2: Convert to fraction form
    23,886.69/35,835.13 = 8,091.17/x
  3. Step 3: Cross multiply
    23,886.69x = 35,835.13 × 8,091.17
  4. Step 4: Simplify right side
    23,886.69x = 289,948,128.80
  5. Step 5: Solve for x
    x = 289,948,128.80/23,886.69
  6. Step 6: Final answer
    x = 12,138.48

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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.