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Finding the Fourth Proportional to 44.04, 65.66 and 41.78

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Solution

The fourth proportional to 44.04, 65.66 and 41.78 is: 62.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.04 : 65.66 = 41.78 : x
  2. Step 2: Convert to fraction form
    44.04/65.66 = 41.78/x
  3. Step 3: Cross multiply
    44.04x = 65.66 × 41.78
  4. Step 4: Simplify right side
    44.04x = 2,743.27
  5. Step 5: Solve for x
    x = 2,743.27/44.04
  6. Step 6: Final answer
    x = 62.29

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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.