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Finding the Fourth Proportional to 44.12, 66.22 and 26.93

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Solution

The fourth proportional to 44.12, 66.22 and 26.93 is: 40.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.12 : 66.22 = 26.93 : x
  2. Step 2: Convert to fraction form
    44.12/66.22 = 26.93/x
  3. Step 3: Cross multiply
    44.12x = 66.22 × 26.93
  4. Step 4: Simplify right side
    44.12x = 1,783.40
  5. Step 5: Solve for x
    x = 1,783.40/44.12
  6. Step 6: Final answer
    x = 40.42

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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.