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Finding the Fourth Proportional to 66.02, 98.96 and 44.37

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Solution

The fourth proportional to 66.02, 98.96 and 44.37 is: 66.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.02 : 98.96 = 44.37 : x
  2. Step 2: Convert to fraction form
    66.02/98.96 = 44.37/x
  3. Step 3: Cross multiply
    66.02x = 98.96 × 44.37
  4. Step 4: Simplify right side
    66.02x = 4,390.63
  5. Step 5: Solve for x
    x = 4,390.63/66.02
  6. Step 6: Final answer
    x = 66.51

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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.