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Finding the Fourth Proportional to 23.47, 35.20 and 9.95

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Solution

The fourth proportional to 23.47, 35.20 and 9.95 is: 14.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.47 : 35.20 = 9.95 : x
  2. Step 2: Convert to fraction form
    23.47/35.20 = 9.95/x
  3. Step 3: Cross multiply
    23.47x = 35.20 × 9.95
  4. Step 4: Simplify right side
    23.47x = 350.30
  5. Step 5: Solve for x
    x = 350.30/23.47
  6. Step 6: Final answer
    x = 14.93

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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.