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Finding the Fourth Proportional to 32.53, 49.01 and 27.82

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Solution

The fourth proportional to 32.53, 49.01 and 27.82 is: 41.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.53 : 49.01 = 27.82 : x
  2. Step 2: Convert to fraction form
    32.53/49.01 = 27.82/x
  3. Step 3: Cross multiply
    32.53x = 49.01 × 27.82
  4. Step 4: Simplify right side
    32.53x = 1,363.46
  5. Step 5: Solve for x
    x = 1,363.46/32.53
  6. Step 6: Final answer
    x = 41.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.