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Finding the Fourth Proportional to 44.79, 67.23 and 29.53

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Solution

The fourth proportional to 44.79, 67.23 and 29.53 is: 44.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.79 : 67.23 = 29.53 : x
  2. Step 2: Convert to fraction form
    44.79/67.23 = 29.53/x
  3. Step 3: Cross multiply
    44.79x = 67.23 × 29.53
  4. Step 4: Simplify right side
    44.79x = 1,985.39
  5. Step 5: Solve for x
    x = 1,985.39/44.79
  6. Step 6: Final answer
    x = 44.33

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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.