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Finding the Fourth Proportional to 8,808.77, 13,204.69 and 3,260.61

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Solution

The fourth proportional to 8,808.77, 13,204.69 and 3,260.61 is: 4,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.77 : 13,204.69 = 3,260.61 : x
  2. Step 2: Convert to fraction form
    8,808.77/13,204.69 = 3,260.61/x
  3. Step 3: Cross multiply
    8,808.77x = 13,204.69 × 3,260.61
  4. Step 4: Simplify right side
    8,808.77x = 43,055,336.11
  5. Step 5: Solve for x
    x = 43,055,336.11/8,808.77
  6. Step 6: Final answer
    x = 4,887.78

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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.