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Finding the Fourth Proportional to 50.08, 74.94 and 48.88

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Solution

The fourth proportional to 50.08, 74.94 and 48.88 is: 73.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.08 : 74.94 = 48.88 : x
  2. Step 2: Convert to fraction form
    50.08/74.94 = 48.88/x
  3. Step 3: Cross multiply
    50.08x = 74.94 × 48.88
  4. Step 4: Simplify right side
    50.08x = 3,663.07
  5. Step 5: Solve for x
    x = 3,663.07/50.08
  6. Step 6: Final answer
    x = 73.14

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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.