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Finding the Fourth Proportional to 32.19, 48.31 and 22.92

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Solution

The fourth proportional to 32.19, 48.31 and 22.92 is: 34.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.19 : 48.31 = 22.92 : x
  2. Step 2: Convert to fraction form
    32.19/48.31 = 22.92/x
  3. Step 3: Cross multiply
    32.19x = 48.31 × 22.92
  4. Step 4: Simplify right side
    32.19x = 1,107.21
  5. Step 5: Solve for x
    x = 1,107.21/32.19
  6. Step 6: Final answer
    x = 34.40

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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.