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Finding the Fourth Proportional to 59.94, 82.70 and 35.37

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Solution

The fourth proportional to 59.94, 82.70 and 35.37 is: 48.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.94 : 82.70 = 35.37 : x
  2. Step 2: Convert to fraction form
    59.94/82.70 = 35.37/x
  3. Step 3: Cross multiply
    59.94x = 82.70 × 35.37
  4. Step 4: Simplify right side
    59.94x = 2,924.92
  5. Step 5: Solve for x
    x = 2,924.92/59.94
  6. Step 6: Final answer
    x = 48.80

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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.