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Finding the Fourth Proportional to 4,787.92, 7,169.37 and 4,495.96

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Solution

The fourth proportional to 4,787.92, 7,169.37 and 4,495.96 is: 6,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.92 : 7,169.37 = 4,495.96 : x
  2. Step 2: Convert to fraction form
    4,787.92/7,169.37 = 4,495.96/x
  3. Step 3: Cross multiply
    4,787.92x = 7,169.37 × 4,495.96
  4. Step 4: Simplify right side
    4,787.92x = 32,233,200.75
  5. Step 5: Solve for x
    x = 32,233,200.75/4,787.92
  6. Step 6: Final answer
    x = 6,732.19

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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.