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Finding the Fourth Proportional to 8,824.61, 13,236.84 and 2,251.32

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Solution

The fourth proportional to 8,824.61, 13,236.84 and 2,251.32 is: 3,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.61 : 13,236.84 = 2,251.32 : x
  2. Step 2: Convert to fraction form
    8,824.61/13,236.84 = 2,251.32/x
  3. Step 3: Cross multiply
    8,824.61x = 13,236.84 × 2,251.32
  4. Step 4: Simplify right side
    8,824.61x = 29,800,362.63
  5. Step 5: Solve for x
    x = 29,800,362.63/8,824.61
  6. Step 6: Final answer
    x = 3,376.96

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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.