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Finding the Fourth Proportional to 34.21, 51.32 and 23.50

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Solution

The fourth proportional to 34.21, 51.32 and 23.50 is: 35.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.21 : 51.32 = 23.50 : x
  2. Step 2: Convert to fraction form
    34.21/51.32 = 23.50/x
  3. Step 3: Cross multiply
    34.21x = 51.32 × 23.50
  4. Step 4: Simplify right side
    34.21x = 1,206.02
  5. Step 5: Solve for x
    x = 1,206.02/34.21
  6. Step 6: Final answer
    x = 35.25

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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.