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Finding the Fourth Proportional to 41.66, 62.43 and 27.01

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Solution

The fourth proportional to 41.66, 62.43 and 27.01 is: 40.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.66 : 62.43 = 27.01 : x
  2. Step 2: Convert to fraction form
    41.66/62.43 = 27.01/x
  3. Step 3: Cross multiply
    41.66x = 62.43 × 27.01
  4. Step 4: Simplify right side
    41.66x = 1,686.23
  5. Step 5: Solve for x
    x = 1,686.23/41.66
  6. Step 6: Final answer
    x = 40.48

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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.