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Finding the Fourth Proportional to 59.69, 82.37 and 37.86

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Solution

The fourth proportional to 59.69, 82.37 and 37.86 is: 52.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.69 : 82.37 = 37.86 : x
  2. Step 2: Convert to fraction form
    59.69/82.37 = 37.86/x
  3. Step 3: Cross multiply
    59.69x = 82.37 × 37.86
  4. Step 4: Simplify right side
    59.69x = 3,118.34
  5. Step 5: Solve for x
    x = 3,118.34/59.69
  6. Step 6: Final answer
    x = 52.25

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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.