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Finding the Fourth Proportional to 41.07, 61.50 and 33.04

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Solution

The fourth proportional to 41.07, 61.50 and 33.04 is: 49.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.07 : 61.50 = 33.04 : x
  2. Step 2: Convert to fraction form
    41.07/61.50 = 33.04/x
  3. Step 3: Cross multiply
    41.07x = 61.50 × 33.04
  4. Step 4: Simplify right side
    41.07x = 2,031.81
  5. Step 5: Solve for x
    x = 2,031.81/41.07
  6. Step 6: Final answer
    x = 49.47

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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.