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Finding the Fourth Proportional to 8,843.76, 12,207.33 and 5,859.90

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Solution

The fourth proportional to 8,843.76, 12,207.33 and 5,859.90 is: 8,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.76 : 12,207.33 = 5,859.90 : x
  2. Step 2: Convert to fraction form
    8,843.76/12,207.33 = 5,859.90/x
  3. Step 3: Cross multiply
    8,843.76x = 12,207.33 × 5,859.90
  4. Step 4: Simplify right side
    8,843.76x = 71,533,733.07
  5. Step 5: Solve for x
    x = 71,533,733.07/8,843.76
  6. Step 6: Final answer
    x = 8,088.61

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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.