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Finding the Fourth Proportional to 23.60, 35.34 and 19.59

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Solution

The fourth proportional to 23.60, 35.34 and 19.59 is: 29.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.60 : 35.34 = 19.59 : x
  2. Step 2: Convert to fraction form
    23.60/35.34 = 19.59/x
  3. Step 3: Cross multiply
    23.60x = 35.34 × 19.59
  4. Step 4: Simplify right side
    23.60x = 692.31
  5. Step 5: Solve for x
    x = 692.31/23.60
  6. Step 6: Final answer
    x = 29.34

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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.