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Finding the Fourth Proportional to 43.91, 60.58 and 26.43

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Solution

The fourth proportional to 43.91, 60.58 and 26.43 is: 36.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.91 : 60.58 = 26.43 : x
  2. Step 2: Convert to fraction form
    43.91/60.58 = 26.43/x
  3. Step 3: Cross multiply
    43.91x = 60.58 × 26.43
  4. Step 4: Simplify right side
    43.91x = 1,601.13
  5. Step 5: Solve for x
    x = 1,601.13/43.91
  6. Step 6: Final answer
    x = 36.46

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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.