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Finding the Fourth Proportional to 8.96, 12.33 and 7.59

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Solution

The fourth proportional to 8.96, 12.33 and 7.59 is: 10.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.96 : 12.33 = 7.59 : x
  2. Step 2: Convert to fraction form
    8.96/12.33 = 7.59/x
  3. Step 3: Cross multiply
    8.96x = 12.33 × 7.59
  4. Step 4: Simplify right side
    8.96x = 93.58
  5. Step 5: Solve for x
    x = 93.58/8.96
  6. Step 6: Final answer
    x = 10.45

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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.