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Finding the Fourth Proportional to 34.04, 46.90 and 25.84

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Solution

The fourth proportional to 34.04, 46.90 and 25.84 is: 35.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.04 : 46.90 = 25.84 : x
  2. Step 2: Convert to fraction form
    34.04/46.90 = 25.84/x
  3. Step 3: Cross multiply
    34.04x = 46.90 × 25.84
  4. Step 4: Simplify right side
    34.04x = 1,211.90
  5. Step 5: Solve for x
    x = 1,211.90/34.04
  6. Step 6: Final answer
    x = 35.60

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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.