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Finding the Fourth Proportional to 35.24, 48.67 and 33.72

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Solution

The fourth proportional to 35.24, 48.67 and 33.72 is: 46.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.24 : 48.67 = 33.72 : x
  2. Step 2: Convert to fraction form
    35.24/48.67 = 33.72/x
  3. Step 3: Cross multiply
    35.24x = 48.67 × 33.72
  4. Step 4: Simplify right side
    35.24x = 1,640.89
  5. Step 5: Solve for x
    x = 1,640.89/35.24
  6. Step 6: Final answer
    x = 46.57

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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.