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Finding the Fourth Proportional to 29.42, 44.16 and 25.46

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Solution

The fourth proportional to 29.42, 44.16 and 25.46 is: 38.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.42 : 44.16 = 25.46 : x
  2. Step 2: Convert to fraction form
    29.42/44.16 = 25.46/x
  3. Step 3: Cross multiply
    29.42x = 44.16 × 25.46
  4. Step 4: Simplify right side
    29.42x = 1,124.31
  5. Step 5: Solve for x
    x = 1,124.31/29.42
  6. Step 6: Final answer
    x = 38.22

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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.