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Finding the Fourth Proportional to 34.22, 51.04 and 32.16

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Solution

The fourth proportional to 34.22, 51.04 and 32.16 is: 47.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.22 : 51.04 = 32.16 : x
  2. Step 2: Convert to fraction form
    34.22/51.04 = 32.16/x
  3. Step 3: Cross multiply
    34.22x = 51.04 × 32.16
  4. Step 4: Simplify right side
    34.22x = 1,641.45
  5. Step 5: Solve for x
    x = 1,641.45/34.22
  6. Step 6: Final answer
    x = 47.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.