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Finding the Fourth Proportional to 48.56, 73 and 36.56

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Solution

The fourth proportional to 48.56, 73 and 36.56 is: 54.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.56 : 73 = 36.56 : x
  2. Step 2: Convert to fraction form
    48.56/73 = 36.56/x
  3. Step 3: Cross multiply
    48.56x = 73 × 36.56
  4. Step 4: Simplify right side
    48.56x = 2,668.88
  5. Step 5: Solve for x
    x = 2,668.88/48.56
  6. Step 6: Final answer
    x = 54.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.