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Finding the Fourth Proportional to 33.30, 49.56 and 32

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Solution

The fourth proportional to 33.30, 49.56 and 32 is: 47.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.30 : 49.56 = 32 : x
  2. Step 2: Convert to fraction form
    33.30/49.56 = 32/x
  3. Step 3: Cross multiply
    33.30x = 49.56 × 32
  4. Step 4: Simplify right side
    33.30x = 1,585.92
  5. Step 5: Solve for x
    x = 1,585.92/33.30
  6. Step 6: Final answer
    x = 47.63

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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.