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Finding the Fourth Proportional to 7.73, 11.59 and 5.02

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Solution

The fourth proportional to 7.73, 11.59 and 5.02 is: 7.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.73 : 11.59 = 5.02 : x
  2. Step 2: Convert to fraction form
    7.73/11.59 = 5.02/x
  3. Step 3: Cross multiply
    7.73x = 11.59 × 5.02
  4. Step 4: Simplify right side
    7.73x = 58.20
  5. Step 5: Solve for x
    x = 58.20/7.73
  6. Step 6: Final answer
    x = 7.53

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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.