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Finding the Fourth Proportional to 44.73, 67.64 and 44.51

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Solution

The fourth proportional to 44.73, 67.64 and 44.51 is: 67.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.73 : 67.64 = 44.51 : x
  2. Step 2: Convert to fraction form
    44.73/67.64 = 44.51/x
  3. Step 3: Cross multiply
    44.73x = 67.64 × 44.51
  4. Step 4: Simplify right side
    44.73x = 3,010.10
  5. Step 5: Solve for x
    x = 3,010.10/44.73
  6. Step 6: Final answer
    x = 67.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.