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Finding the Fourth Proportional to 29.34, 43.92 and 22.10

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Solution

The fourth proportional to 29.34, 43.92 and 22.10 is: 33.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.34 : 43.92 = 22.10 : x
  2. Step 2: Convert to fraction form
    29.34/43.92 = 22.10/x
  3. Step 3: Cross multiply
    29.34x = 43.92 × 22.10
  4. Step 4: Simplify right side
    29.34x = 970.63
  5. Step 5: Solve for x
    x = 970.63/29.34
  6. Step 6: Final answer
    x = 33.08

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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.