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Finding the Fourth Proportional to 59.92, 82.63 and 45.34

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Solution

The fourth proportional to 59.92, 82.63 and 45.34 is: 62.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.92 : 82.63 = 45.34 : x
  2. Step 2: Convert to fraction form
    59.92/82.63 = 45.34/x
  3. Step 3: Cross multiply
    59.92x = 82.63 × 45.34
  4. Step 4: Simplify right side
    59.92x = 3,746.44
  5. Step 5: Solve for x
    x = 3,746.44/59.92
  6. Step 6: Final answer
    x = 62.52

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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.