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Finding the Fourth Proportional to 59.16, 81.62 and 46.08

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Solution

The fourth proportional to 59.16, 81.62 and 46.08 is: 63.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.16 : 81.62 = 46.08 : x
  2. Step 2: Convert to fraction form
    59.16/81.62 = 46.08/x
  3. Step 3: Cross multiply
    59.16x = 81.62 × 46.08
  4. Step 4: Simplify right side
    59.16x = 3,761.05
  5. Step 5: Solve for x
    x = 3,761.05/59.16
  6. Step 6: Final answer
    x = 63.57

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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.