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Finding the Fourth Proportional to 29.38, 40.48 and 24.98

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Solution

The fourth proportional to 29.38, 40.48 and 24.98 is: 34.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.38 : 40.48 = 24.98 : x
  2. Step 2: Convert to fraction form
    29.38/40.48 = 24.98/x
  3. Step 3: Cross multiply
    29.38x = 40.48 × 24.98
  4. Step 4: Simplify right side
    29.38x = 1,011.19
  5. Step 5: Solve for x
    x = 1,011.19/29.38
  6. Step 6: Final answer
    x = 34.42

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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.