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Finding the Fourth Proportional to 8,773.60, 13,160.58 and 3,579.43

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Solution

The fourth proportional to 8,773.60, 13,160.58 and 3,579.43 is: 5,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.60 : 13,160.58 = 3,579.43 : x
  2. Step 2: Convert to fraction form
    8,773.60/13,160.58 = 3,579.43/x
  3. Step 3: Cross multiply
    8,773.60x = 13,160.58 × 3,579.43
  4. Step 4: Simplify right side
    8,773.60x = 47,107,374.87
  5. Step 5: Solve for x
    x = 47,107,374.87/8,773.60
  6. Step 6: Final answer
    x = 5,369.22

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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.