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Finding the Fourth Proportional to 5,858.73, 8,787.79 and 1,475.92

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Solution

The fourth proportional to 5,858.73, 8,787.79 and 1,475.92 is: 2,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.73 : 8,787.79 = 1,475.92 : x
  2. Step 2: Convert to fraction form
    5,858.73/8,787.79 = 1,475.92/x
  3. Step 3: Cross multiply
    5,858.73x = 8,787.79 × 1,475.92
  4. Step 4: Simplify right side
    5,858.73x = 12,970,087.85
  5. Step 5: Solve for x
    x = 12,970,087.85/5,858.73
  6. Step 6: Final answer
    x = 2,213.81

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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.