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Finding the Fourth Proportional to 5,787.44, 8,691.75 and 5,299.46

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Solution

The fourth proportional to 5,787.44, 8,691.75 and 5,299.46 is: 7,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.44 : 8,691.75 = 5,299.46 : x
  2. Step 2: Convert to fraction form
    5,787.44/8,691.75 = 5,299.46/x
  3. Step 3: Cross multiply
    5,787.44x = 8,691.75 × 5,299.46
  4. Step 4: Simplify right side
    5,787.44x = 46,061,554.96
  5. Step 5: Solve for x
    x = 46,061,554.96/5,787.44
  6. Step 6: Final answer
    x = 7,958.89

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1.5x scale

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.