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Finding the Fourth Proportional to 0.73, 1.01 and 0.62

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Solution

The fourth proportional to 0.73, 1.01 and 0.62 is: 0.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.73 : 1.01 = 0.62 : x
  2. Step 2: Convert to fraction form
    0.73/1.01 = 0.62/x
  3. Step 3: Cross multiply
    0.73x = 1.01 × 0.62
  4. Step 4: Simplify right side
    0.73x = 0.63
  5. Step 5: Solve for x
    x = 0.63/0.73
  6. Step 6: Final answer
    x = 0.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.