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Finding the Fourth Proportional to 22,750.43, 34,109.48 and 8,698.61

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Solution

The fourth proportional to 22,750.43, 34,109.48 and 8,698.61 is: 13,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.43 : 34,109.48 = 8,698.61 : x
  2. Step 2: Convert to fraction form
    22,750.43/34,109.48 = 8,698.61/x
  3. Step 3: Cross multiply
    22,750.43x = 34,109.48 × 8,698.61
  4. Step 4: Simplify right side
    22,750.43x = 296,705,063.82
  5. Step 5: Solve for x
    x = 296,705,063.82/22,750.43
  6. Step 6: Final answer
    x = 13,041.73

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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.