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Finding the Fourth Proportional to 32.37, 48.51 and 27.87

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Solution

The fourth proportional to 32.37, 48.51 and 27.87 is: 41.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.37 : 48.51 = 27.87 : x
  2. Step 2: Convert to fraction form
    32.37/48.51 = 27.87/x
  3. Step 3: Cross multiply
    32.37x = 48.51 × 27.87
  4. Step 4: Simplify right side
    32.37x = 1,351.97
  5. Step 5: Solve for x
    x = 1,351.97/32.37
  6. Step 6: Final answer
    x = 41.77

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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.