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Finding the Fourth Proportional to 5.95, 8.91 and 5.29

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Solution

The fourth proportional to 5.95, 8.91 and 5.29 is: 7.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.95 : 8.91 = 5.29 : x
  2. Step 2: Convert to fraction form
    5.95/8.91 = 5.29/x
  3. Step 3: Cross multiply
    5.95x = 8.91 × 5.29
  4. Step 4: Simplify right side
    5.95x = 47.13
  5. Step 5: Solve for x
    x = 47.13/5.95
  6. Step 6: Final answer
    x = 7.92

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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.