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Finding the Fourth Proportional to 62.96, 94.47 and 59.83

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Solution

The fourth proportional to 62.96, 94.47 and 59.83 is: 89.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.96 : 94.47 = 59.83 : x
  2. Step 2: Convert to fraction form
    62.96/94.47 = 59.83/x
  3. Step 3: Cross multiply
    62.96x = 94.47 × 59.83
  4. Step 4: Simplify right side
    62.96x = 5,652.14
  5. Step 5: Solve for x
    x = 5,652.14/62.96
  6. Step 6: Final answer
    x = 89.77

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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.