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Finding the Fourth Proportional to 59.43, 81.98 and 46.29

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Solution

The fourth proportional to 59.43, 81.98 and 46.29 is: 63.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.43 : 81.98 = 46.29 : x
  2. Step 2: Convert to fraction form
    59.43/81.98 = 46.29/x
  3. Step 3: Cross multiply
    59.43x = 81.98 × 46.29
  4. Step 4: Simplify right side
    59.43x = 3,795.07
  5. Step 5: Solve for x
    x = 3,795.07/59.43
  6. Step 6: Final answer
    x = 63.86

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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.