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Finding the Fourth Proportional to 50.74, 76.08 and 23.34

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Solution

The fourth proportional to 50.74, 76.08 and 23.34 is: 35.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.74 : 76.08 = 23.34 : x
  2. Step 2: Convert to fraction form
    50.74/76.08 = 23.34/x
  3. Step 3: Cross multiply
    50.74x = 76.08 × 23.34
  4. Step 4: Simplify right side
    50.74x = 1,775.71
  5. Step 5: Solve for x
    x = 1,775.71/50.74
  6. Step 6: Final answer
    x = 35.00

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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.