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Finding the Fourth Proportional to 23.13, 34.70 and 9.59

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Solution

The fourth proportional to 23.13, 34.70 and 9.59 is: 14.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.13 : 34.70 = 9.59 : x
  2. Step 2: Convert to fraction form
    23.13/34.70 = 9.59/x
  3. Step 3: Cross multiply
    23.13x = 34.70 × 9.59
  4. Step 4: Simplify right side
    23.13x = 332.81
  5. Step 5: Solve for x
    x = 332.81/23.13
  6. Step 6: Final answer
    x = 14.39

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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.