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Finding the Fourth Proportional to 11,086.77, 16,630.10 and 2,766.77

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Solution

The fourth proportional to 11,086.77, 16,630.10 and 2,766.77 is: 4,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.77 : 16,630.10 = 2,766.77 : x
  2. Step 2: Convert to fraction form
    11,086.77/16,630.10 = 2,766.77/x
  3. Step 3: Cross multiply
    11,086.77x = 16,630.10 × 2,766.77
  4. Step 4: Simplify right side
    11,086.77x = 46,011,564.79
  5. Step 5: Solve for x
    x = 46,011,564.79/11,086.77
  6. Step 6: Final answer
    x = 4,150.13

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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.