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Finding the Fourth Proportional to 8,773.80, 13,165.89 and 3,231.03

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Solution

The fourth proportional to 8,773.80, 13,165.89 and 3,231.03 is: 4,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.80 : 13,165.89 = 3,231.03 : x
  2. Step 2: Convert to fraction form
    8,773.80/13,165.89 = 3,231.03/x
  3. Step 3: Cross multiply
    8,773.80x = 13,165.89 × 3,231.03
  4. Step 4: Simplify right side
    8,773.80x = 42,539,385.57
  5. Step 5: Solve for x
    x = 42,539,385.57/8,773.80
  6. Step 6: Final answer
    x = 4,848.46

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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.