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Finding the Fourth Proportional to 49.56, 74 and 44.88

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Solution

The fourth proportional to 49.56, 74 and 44.88 is: 67.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.56 : 74 = 44.88 : x
  2. Step 2: Convert to fraction form
    49.56/74 = 44.88/x
  3. Step 3: Cross multiply
    49.56x = 74 × 44.88
  4. Step 4: Simplify right side
    49.56x = 3,321.12
  5. Step 5: Solve for x
    x = 3,321.12/49.56
  6. Step 6: Final answer
    x = 67.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.