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Finding the Fourth Proportional to 8,912.36, 13,362.06 and 5,452.04

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Solution

The fourth proportional to 8,912.36, 13,362.06 and 5,452.04 is: 8,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.36 : 13,362.06 = 5,452.04 : x
  2. Step 2: Convert to fraction form
    8,912.36/13,362.06 = 5,452.04/x
  3. Step 3: Cross multiply
    8,912.36x = 13,362.06 × 5,452.04
  4. Step 4: Simplify right side
    8,912.36x = 72,850,485.60
  5. Step 5: Solve for x
    x = 72,850,485.60/8,912.36
  6. Step 6: Final answer
    x = 8,174.10

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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.