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Finding the Fourth Proportional to 59.62, 88.96 and 56.17

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Solution

The fourth proportional to 59.62, 88.96 and 56.17 is: 83.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.62 : 88.96 = 56.17 : x
  2. Step 2: Convert to fraction form
    59.62/88.96 = 56.17/x
  3. Step 3: Cross multiply
    59.62x = 88.96 × 56.17
  4. Step 4: Simplify right side
    59.62x = 4,996.88
  5. Step 5: Solve for x
    x = 4,996.88/59.62
  6. Step 6: Final answer
    x = 83.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.