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Finding the Fourth Proportional to 8,769.80, 13,150.44 and 2,924.44

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Solution

The fourth proportional to 8,769.80, 13,150.44 and 2,924.44 is: 4,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.80 : 13,150.44 = 2,924.44 : x
  2. Step 2: Convert to fraction form
    8,769.80/13,150.44 = 2,924.44/x
  3. Step 3: Cross multiply
    8,769.80x = 13,150.44 × 2,924.44
  4. Step 4: Simplify right side
    8,769.80x = 38,457,639.88
  5. Step 5: Solve for x
    x = 38,457,639.88/8,769.80
  6. Step 6: Final answer
    x = 4,385.23

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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.