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Finding the Fourth Proportional to 34.57, 47.68 and 24.22

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Solution

The fourth proportional to 34.57, 47.68 and 24.22 is: 33.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.57 : 47.68 = 24.22 : x
  2. Step 2: Convert to fraction form
    34.57/47.68 = 24.22/x
  3. Step 3: Cross multiply
    34.57x = 47.68 × 24.22
  4. Step 4: Simplify right side
    34.57x = 1,154.81
  5. Step 5: Solve for x
    x = 1,154.81/34.57
  6. Step 6: Final answer
    x = 33.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.