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Finding the Fourth Proportional to 44.01, 66.42 and 44.01

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Solution

The fourth proportional to 44.01, 66.42 and 44.01 is: 66.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.01 : 66.42 = 44.01 : x
  2. Step 2: Convert to fraction form
    44.01/66.42 = 44.01/x
  3. Step 3: Cross multiply
    44.01x = 66.42 × 44.01
  4. Step 4: Simplify right side
    44.01x = 2,922.59
  5. Step 5: Solve for x
    x = 2,922.59/44.01
  6. Step 6: Final answer
    x = 66.42

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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.