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Finding the Fourth Proportional to 5.99, 8.96 and 4.85

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Solution

The fourth proportional to 5.99, 8.96 and 4.85 is: 7.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.99 : 8.96 = 4.85 : x
  2. Step 2: Convert to fraction form
    5.99/8.96 = 4.85/x
  3. Step 3: Cross multiply
    5.99x = 8.96 × 4.85
  4. Step 4: Simplify right side
    5.99x = 43.46
  5. Step 5: Solve for x
    x = 43.46/5.99
  6. Step 6: Final answer
    x = 7.25

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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.