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Finding the Fourth Proportional to 5,912.36, 8,868.53 and 5,616.73

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Solution

The fourth proportional to 5,912.36, 8,868.53 and 5,616.73 is: 8,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.36 : 8,868.53 = 5,616.73 : x
  2. Step 2: Convert to fraction form
    5,912.36/8,868.53 = 5,616.73/x
  3. Step 3: Cross multiply
    5,912.36x = 8,868.53 × 5,616.73
  4. Step 4: Simplify right side
    5,912.36x = 49,812,094.16
  5. Step 5: Solve for x
    x = 49,812,094.16/5,912.36
  6. Step 6: Final answer
    x = 8,425.09

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Similar ratio
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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.