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Finding the Fourth Proportional to 32.12, 48.17 and 14.99

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Solution

The fourth proportional to 32.12, 48.17 and 14.99 is: 22.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.12 : 48.17 = 14.99 : x
  2. Step 2: Convert to fraction form
    32.12/48.17 = 14.99/x
  3. Step 3: Cross multiply
    32.12x = 48.17 × 14.99
  4. Step 4: Simplify right side
    32.12x = 721.75
  5. Step 5: Solve for x
    x = 721.75/32.12
  6. Step 6: Final answer
    x = 22.47

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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.