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Finding the Fourth Proportional to 8,793.44, 13,189.70 and 3,246.32

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Solution

The fourth proportional to 8,793.44, 13,189.70 and 3,246.32 is: 4,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.44 : 13,189.70 = 3,246.32 : x
  2. Step 2: Convert to fraction form
    8,793.44/13,189.70 = 3,246.32/x
  3. Step 3: Cross multiply
    8,793.44x = 13,189.70 × 3,246.32
  4. Step 4: Simplify right side
    8,793.44x = 42,817,986.90
  5. Step 5: Solve for x
    x = 42,817,986.90/8,793.44
  6. Step 6: Final answer
    x = 4,869.31

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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.