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Finding the Fourth Proportional to 59.64, 82.34 and 43.24

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Solution

The fourth proportional to 59.64, 82.34 and 43.24 is: 59.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.64 : 82.34 = 43.24 : x
  2. Step 2: Convert to fraction form
    59.64/82.34 = 43.24/x
  3. Step 3: Cross multiply
    59.64x = 82.34 × 43.24
  4. Step 4: Simplify right side
    59.64x = 3,560.38
  5. Step 5: Solve for x
    x = 3,560.38/59.64
  6. Step 6: Final answer
    x = 59.70

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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.