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Finding the Fourth Proportional to 43.32, 59.76 and 36.04

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Solution

The fourth proportional to 43.32, 59.76 and 36.04 is: 49.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.32 : 59.76 = 36.04 : x
  2. Step 2: Convert to fraction form
    43.32/59.76 = 36.04/x
  3. Step 3: Cross multiply
    43.32x = 59.76 × 36.04
  4. Step 4: Simplify right side
    43.32x = 2,153.75
  5. Step 5: Solve for x
    x = 2,153.75/43.32
  6. Step 6: Final answer
    x = 49.72

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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.