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Finding the Fourth Proportional to 32.52, 48.56 and 27.96

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Solution

The fourth proportional to 32.52, 48.56 and 27.96 is: 41.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.52 : 48.56 = 27.96 : x
  2. Step 2: Convert to fraction form
    32.52/48.56 = 27.96/x
  3. Step 3: Cross multiply
    32.52x = 48.56 × 27.96
  4. Step 4: Simplify right side
    32.52x = 1,357.74
  5. Step 5: Solve for x
    x = 1,357.74/32.52
  6. Step 6: Final answer
    x = 41.75

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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.