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Finding the Fourth Proportional to 59.23, 81.74 and 46.13

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Solution

The fourth proportional to 59.23, 81.74 and 46.13 is: 63.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.23 : 81.74 = 46.13 : x
  2. Step 2: Convert to fraction form
    59.23/81.74 = 46.13/x
  3. Step 3: Cross multiply
    59.23x = 81.74 × 46.13
  4. Step 4: Simplify right side
    59.23x = 3,770.67
  5. Step 5: Solve for x
    x = 3,770.67/59.23
  6. Step 6: Final answer
    x = 63.66

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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.