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Finding the Fourth Proportional to 43.98, 60.75 and 43.53

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Solution

The fourth proportional to 43.98, 60.75 and 43.53 is: 60.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.98 : 60.75 = 43.53 : x
  2. Step 2: Convert to fraction form
    43.98/60.75 = 43.53/x
  3. Step 3: Cross multiply
    43.98x = 60.75 × 43.53
  4. Step 4: Simplify right side
    43.98x = 2,644.45
  5. Step 5: Solve for x
    x = 2,644.45/43.98
  6. Step 6: Final answer
    x = 60.13

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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.