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Finding the Fourth Proportional to 44.07, 66 and 36.05

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Solution

The fourth proportional to 44.07, 66 and 36.05 is: 53.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.07 : 66 = 36.05 : x
  2. Step 2: Convert to fraction form
    44.07/66 = 36.05/x
  3. Step 3: Cross multiply
    44.07x = 66 × 36.05
  4. Step 4: Simplify right side
    44.07x = 2,378.97
  5. Step 5: Solve for x
    x = 2,378.97/44.07
  6. Step 6: Final answer
    x = 53.98

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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.