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Finding the Fourth Proportional to 5,871.60, 8,793.72 and 3,558.96

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Solution

The fourth proportional to 5,871.60, 8,793.72 and 3,558.96 is: 5,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.60 : 8,793.72 = 3,558.96 : x
  2. Step 2: Convert to fraction form
    5,871.60/8,793.72 = 3,558.96/x
  3. Step 3: Cross multiply
    5,871.60x = 8,793.72 × 3,558.96
  4. Step 4: Simplify right side
    5,871.60x = 31,296,497.73
  5. Step 5: Solve for x
    x = 31,296,497.73/5,871.60
  6. Step 6: Final answer
    x = 5,330.15

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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.