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Finding the Fourth Proportional to 44.94, 67.14 and 43.53

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Solution

The fourth proportional to 44.94, 67.14 and 43.53 is: 65.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.94 : 67.14 = 43.53 : x
  2. Step 2: Convert to fraction form
    44.94/67.14 = 43.53/x
  3. Step 3: Cross multiply
    44.94x = 67.14 × 43.53
  4. Step 4: Simplify right side
    44.94x = 2,922.60
  5. Step 5: Solve for x
    x = 2,922.60/44.94
  6. Step 6: Final answer
    x = 65.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.