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Finding the Fourth Proportional to 32.24, 48.36 and 14.89

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Solution

The fourth proportional to 32.24, 48.36 and 14.89 is: 22.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 48.36 = 14.89 : x
  2. Step 2: Convert to fraction form
    32.24/48.36 = 14.89/x
  3. Step 3: Cross multiply
    32.24x = 48.36 × 14.89
  4. Step 4: Simplify right side
    32.24x = 719.90
  5. Step 5: Solve for x
    x = 719.90/32.24
  6. Step 6: Final answer
    x = 22.33

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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.