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Finding the Fourth Proportional to 34.08, 47.01 and 25.84

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Solution

The fourth proportional to 34.08, 47.01 and 25.84 is: 35.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.08 : 47.01 = 25.84 : x
  2. Step 2: Convert to fraction form
    34.08/47.01 = 25.84/x
  3. Step 3: Cross multiply
    34.08x = 47.01 × 25.84
  4. Step 4: Simplify right side
    34.08x = 1,214.74
  5. Step 5: Solve for x
    x = 1,214.74/34.08
  6. Step 6: Final answer
    x = 35.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.