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Finding the Fourth Proportional to 43.67, 60.28 and 43.53

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Solution

The fourth proportional to 43.67, 60.28 and 43.53 is: 60.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.67 : 60.28 = 43.53 : x
  2. Step 2: Convert to fraction form
    43.67/60.28 = 43.53/x
  3. Step 3: Cross multiply
    43.67x = 60.28 × 43.53
  4. Step 4: Simplify right side
    43.67x = 2,623.99
  5. Step 5: Solve for x
    x = 2,623.99/43.67
  6. Step 6: Final answer
    x = 60.09

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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.