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Finding the Fourth Proportional to 9.88, 14.83 and 5.88

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Solution

The fourth proportional to 9.88, 14.83 and 5.88 is: 8.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.88 : 14.83 = 5.88 : x
  2. Step 2: Convert to fraction form
    9.88/14.83 = 5.88/x
  3. Step 3: Cross multiply
    9.88x = 14.83 × 5.88
  4. Step 4: Simplify right side
    9.88x = 87.20
  5. Step 5: Solve for x
    x = 87.20/9.88
  6. Step 6: Final answer
    x = 8.83

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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.