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Finding the Fourth Proportional to 50.24, 74.98 and 50.24

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Solution

The fourth proportional to 50.24, 74.98 and 50.24 is: 74.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.24 : 74.98 = 50.24 : x
  2. Step 2: Convert to fraction form
    50.24/74.98 = 50.24/x
  3. Step 3: Cross multiply
    50.24x = 74.98 × 50.24
  4. Step 4: Simplify right side
    50.24x = 3,767.00
  5. Step 5: Solve for x
    x = 3,767.00/50.24
  6. Step 6: Final answer
    x = 74.98

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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.