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Finding the Fourth Proportional to 33.34, 49.72 and 29.08

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Solution

The fourth proportional to 33.34, 49.72 and 29.08 is: 43.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.34 : 49.72 = 29.08 : x
  2. Step 2: Convert to fraction form
    33.34/49.72 = 29.08/x
  3. Step 3: Cross multiply
    33.34x = 49.72 × 29.08
  4. Step 4: Simplify right side
    33.34x = 1,445.86
  5. Step 5: Solve for x
    x = 1,445.86/33.34
  6. Step 6: Final answer
    x = 43.37

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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.