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Finding the Fourth Proportional to 41.67, 62.11 and 41.01

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Solution

The fourth proportional to 41.67, 62.11 and 41.01 is: 61.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.67 : 62.11 = 41.01 : x
  2. Step 2: Convert to fraction form
    41.67/62.11 = 41.01/x
  3. Step 3: Cross multiply
    41.67x = 62.11 × 41.01
  4. Step 4: Simplify right side
    41.67x = 2,547.14
  5. Step 5: Solve for x
    x = 2,547.14/41.67
  6. Step 6: Final answer
    x = 61.13

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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.