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Finding the Fourth Proportional to 44.01, 65.61 and 40.37

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Solution

The fourth proportional to 44.01, 65.61 and 40.37 is: 60.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.01 : 65.61 = 40.37 : x
  2. Step 2: Convert to fraction form
    44.01/65.61 = 40.37/x
  3. Step 3: Cross multiply
    44.01x = 65.61 × 40.37
  4. Step 4: Simplify right side
    44.01x = 2,648.35
  5. Step 5: Solve for x
    x = 2,648.35/44.01
  6. Step 6: Final answer
    x = 60.18

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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.