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Finding the Fourth Proportional to 50.28, 75.41 and 32.00

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Solution

The fourth proportional to 50.28, 75.41 and 32.00 is: 47.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.28 : 75.41 = 32.00 : x
  2. Step 2: Convert to fraction form
    50.28/75.41 = 32.00/x
  3. Step 3: Cross multiply
    50.28x = 75.41 × 32.00
  4. Step 4: Simplify right side
    50.28x = 2,412.58
  5. Step 5: Solve for x
    x = 2,412.58/50.28
  6. Step 6: Final answer
    x = 47.98

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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.