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Finding the Fourth Proportional to 5,812.78, 8,732.56 and 3,353.62

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Solution

The fourth proportional to 5,812.78, 8,732.56 and 3,353.62 is: 5,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.78 : 8,732.56 = 3,353.62 : x
  2. Step 2: Convert to fraction form
    5,812.78/8,732.56 = 3,353.62/x
  3. Step 3: Cross multiply
    5,812.78x = 8,732.56 × 3,353.62
  4. Step 4: Simplify right side
    5,812.78x = 29,285,687.87
  5. Step 5: Solve for x
    x = 29,285,687.87/5,812.78
  6. Step 6: Final answer
    x = 5,038.16

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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.