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Finding the Fourth Proportional to 44.02, 60.60 and 33.12

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Solution

The fourth proportional to 44.02, 60.60 and 33.12 is: 45.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.02 : 60.60 = 33.12 : x
  2. Step 2: Convert to fraction form
    44.02/60.60 = 33.12/x
  3. Step 3: Cross multiply
    44.02x = 60.60 × 33.12
  4. Step 4: Simplify right side
    44.02x = 2,007.07
  5. Step 5: Solve for x
    x = 2,007.07/44.02
  6. Step 6: Final answer
    x = 45.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.