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Finding the Fourth Proportional to 5.88, 8.81 and 4.74

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Solution

The fourth proportional to 5.88, 8.81 and 4.74 is: 7.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.88 : 8.81 = 4.74 : x
  2. Step 2: Convert to fraction form
    5.88/8.81 = 4.74/x
  3. Step 3: Cross multiply
    5.88x = 8.81 × 4.74
  4. Step 4: Simplify right side
    5.88x = 41.74
  5. Step 5: Solve for x
    x = 41.74/5.88
  6. Step 6: Final answer
    x = 7.10

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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.