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Finding the Fourth Proportional to 59.76, 82.37 and 48.06

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Solution

The fourth proportional to 59.76, 82.37 and 48.06 is: 66.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.76 : 82.37 = 48.06 : x
  2. Step 2: Convert to fraction form
    59.76/82.37 = 48.06/x
  3. Step 3: Cross multiply
    59.76x = 82.37 × 48.06
  4. Step 4: Simplify right side
    59.76x = 3,958.46
  5. Step 5: Solve for x
    x = 3,958.46/59.76
  6. Step 6: Final answer
    x = 66.24

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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.