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Finding the Fourth Proportional to 82.93, 124.44 and 44.41

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Solution

The fourth proportional to 82.93, 124.44 and 44.41 is: 66.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.93 : 124.44 = 44.41 : x
  2. Step 2: Convert to fraction form
    82.93/124.44 = 44.41/x
  3. Step 3: Cross multiply
    82.93x = 124.44 × 44.41
  4. Step 4: Simplify right side
    82.93x = 5,525.90
  5. Step 5: Solve for x
    x = 5,525.90/82.93
  6. Step 6: Final answer
    x = 66.64

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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.