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Finding the Fourth Proportional to 5.89, 8.82 and 4.76

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Solution

The fourth proportional to 5.89, 8.82 and 4.76 is: 7.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.89 : 8.82 = 4.76 : x
  2. Step 2: Convert to fraction form
    5.89/8.82 = 4.76/x
  3. Step 3: Cross multiply
    5.89x = 8.82 × 4.76
  4. Step 4: Simplify right side
    5.89x = 41.98
  5. Step 5: Solve for x
    x = 41.98/5.89
  6. Step 6: Final answer
    x = 7.13

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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.