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Finding the Fourth Proportional to 23.07, 34.59 and 9.55

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Solution

The fourth proportional to 23.07, 34.59 and 9.55 is: 14.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.07 : 34.59 = 9.55 : x
  2. Step 2: Convert to fraction form
    23.07/34.59 = 9.55/x
  3. Step 3: Cross multiply
    23.07x = 34.59 × 9.55
  4. Step 4: Simplify right side
    23.07x = 330.33
  5. Step 5: Solve for x
    x = 330.33/23.07
  6. Step 6: Final answer
    x = 14.32

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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.