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Finding the Fourth Proportional to 8,788.77, 13,178.90 and 3,244.73

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Solution

The fourth proportional to 8,788.77, 13,178.90 and 3,244.73 is: 4,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.77 : 13,178.90 = 3,244.73 : x
  2. Step 2: Convert to fraction form
    8,788.77/13,178.90 = 3,244.73/x
  3. Step 3: Cross multiply
    8,788.77x = 13,178.90 × 3,244.73
  4. Step 4: Simplify right side
    8,788.77x = 42,761,914.41
  5. Step 5: Solve for x
    x = 42,761,914.41/8,788.77
  6. Step 6: Final answer
    x = 4,865.52

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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.