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Finding the Fourth Proportional to 58.81, 81.26 and 44.37

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Solution

The fourth proportional to 58.81, 81.26 and 44.37 is: 61.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.81 : 81.26 = 44.37 : x
  2. Step 2: Convert to fraction form
    58.81/81.26 = 44.37/x
  3. Step 3: Cross multiply
    58.81x = 81.26 × 44.37
  4. Step 4: Simplify right side
    58.81x = 3,605.51
  5. Step 5: Solve for x
    x = 3,605.51/58.81
  6. Step 6: Final answer
    x = 61.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.