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Finding the Fourth Proportional to 14.89, 22.32 and 6.32

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Solution

The fourth proportional to 14.89, 22.32 and 6.32 is: 9.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.89 : 22.32 = 6.32 : x
  2. Step 2: Convert to fraction form
    14.89/22.32 = 6.32/x
  3. Step 3: Cross multiply
    14.89x = 22.32 × 6.32
  4. Step 4: Simplify right side
    14.89x = 141.08
  5. Step 5: Solve for x
    x = 141.08/14.89
  6. Step 6: Final answer
    x = 9.48

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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.