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Finding the Fourth Proportional to 5.98, 8.92 and 5.35

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Solution

The fourth proportional to 5.98, 8.92 and 5.35 is: 7.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.98 : 8.92 = 5.35 : x
  2. Step 2: Convert to fraction form
    5.98/8.92 = 5.35/x
  3. Step 3: Cross multiply
    5.98x = 8.92 × 5.35
  4. Step 4: Simplify right side
    5.98x = 47.72
  5. Step 5: Solve for x
    x = 47.72/5.98
  6. Step 6: Final answer
    x = 7.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.