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Finding the Fourth Proportional to 29.42, 40.60 and 24.56

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Solution

The fourth proportional to 29.42, 40.60 and 24.56 is: 33.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.42 : 40.60 = 24.56 : x
  2. Step 2: Convert to fraction form
    29.42/40.60 = 24.56/x
  3. Step 3: Cross multiply
    29.42x = 40.60 × 24.56
  4. Step 4: Simplify right side
    29.42x = 997.14
  5. Step 5: Solve for x
    x = 997.14/29.42
  6. Step 6: Final answer
    x = 33.89

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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.