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Finding the Fourth Proportional to 50.04, 75.44 and 49.48

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Solution

The fourth proportional to 50.04, 75.44 and 49.48 is: 74.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.04 : 75.44 = 49.48 : x
  2. Step 2: Convert to fraction form
    50.04/75.44 = 49.48/x
  3. Step 3: Cross multiply
    50.04x = 75.44 × 49.48
  4. Step 4: Simplify right side
    50.04x = 3,732.77
  5. Step 5: Solve for x
    x = 3,732.77/50.04
  6. Step 6: Final answer
    x = 74.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.