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Finding the Fourth Proportional to 50.24, 75.24 and 35

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Solution

The fourth proportional to 50.24, 75.24 and 35 is: 52.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.24 : 75.24 = 35 : x
  2. Step 2: Convert to fraction form
    50.24/75.24 = 35/x
  3. Step 3: Cross multiply
    50.24x = 75.24 × 35
  4. Step 4: Simplify right side
    50.24x = 2,633.40
  5. Step 5: Solve for x
    x = 2,633.40/50.24
  6. Step 6: Final answer
    x = 52.42

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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.