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Finding the Fourth Proportional to 59.53, 82.25 and 47.36

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Solution

The fourth proportional to 59.53, 82.25 and 47.36 is: 65.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.53 : 82.25 = 47.36 : x
  2. Step 2: Convert to fraction form
    59.53/82.25 = 47.36/x
  3. Step 3: Cross multiply
    59.53x = 82.25 × 47.36
  4. Step 4: Simplify right side
    59.53x = 3,895.27
  5. Step 5: Solve for x
    x = 3,895.27/59.53
  6. Step 6: Final answer
    x = 65.43

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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.