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Finding the Fourth Proportional to 8.37, 12.60 and 8.01

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Solution

The fourth proportional to 8.37, 12.60 and 8.01 is: 12.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.37 : 12.60 = 8.01 : x
  2. Step 2: Convert to fraction form
    8.37/12.60 = 8.01/x
  3. Step 3: Cross multiply
    8.37x = 12.60 × 8.01
  4. Step 4: Simplify right side
    8.37x = 100.93
  5. Step 5: Solve for x
    x = 100.93/8.37
  6. Step 6: Final answer
    x = 12.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.