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Finding the Fourth Proportional to 3.02, 4.52 and 1.93

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Solution

The fourth proportional to 3.02, 4.52 and 1.93 is: 2.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.02 : 4.52 = 1.93 : x
  2. Step 2: Convert to fraction form
    3.02/4.52 = 1.93/x
  3. Step 3: Cross multiply
    3.02x = 4.52 × 1.93
  4. Step 4: Simplify right side
    3.02x = 8.72
  5. Step 5: Solve for x
    x = 8.72/3.02
  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.