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Finding the Fourth Proportional to 59.89, 82.64 and 35.33

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Solution

The fourth proportional to 59.89, 82.64 and 35.33 is: 48.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.89 : 82.64 = 35.33 : x
  2. Step 2: Convert to fraction form
    59.89/82.64 = 35.33/x
  3. Step 3: Cross multiply
    59.89x = 82.64 × 35.33
  4. Step 4: Simplify right side
    59.89x = 2,919.67
  5. Step 5: Solve for x
    x = 2,919.67/59.89
  6. Step 6: Final answer
    x = 48.75

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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.