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Finding the Fourth Proportional to 5.93, 8.90 and 1.92

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Solution

The fourth proportional to 5.93, 8.90 and 1.92 is: 2.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.93 : 8.90 = 1.92 : x
  2. Step 2: Convert to fraction form
    5.93/8.90 = 1.92/x
  3. Step 3: Cross multiply
    5.93x = 8.90 × 1.92
  4. Step 4: Simplify right side
    5.93x = 17.11
  5. Step 5: Solve for x
    x = 17.11/5.93
  6. Step 6: Final answer
    x = 2.89

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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.