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Finding the Fourth Proportional to 43.56, 60.02 and 29

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Solution

The fourth proportional to 43.56, 60.02 and 29 is: 39.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.56 : 60.02 = 29 : x
  2. Step 2: Convert to fraction form
    43.56/60.02 = 29/x
  3. Step 3: Cross multiply
    43.56x = 60.02 × 29
  4. Step 4: Simplify right side
    43.56x = 1,740.58
  5. Step 5: Solve for x
    x = 1,740.58/43.56
  6. Step 6: Final answer
    x = 39.96

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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.