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Finding the Fourth Proportional to 59.40, 88.94 and 49.24

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Solution

The fourth proportional to 59.40, 88.94 and 49.24 is: 73.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.40 : 88.94 = 49.24 : x
  2. Step 2: Convert to fraction form
    59.40/88.94 = 49.24/x
  3. Step 3: Cross multiply
    59.40x = 88.94 × 49.24
  4. Step 4: Simplify right side
    59.40x = 4,379.41
  5. Step 5: Solve for x
    x = 4,379.41/59.40
  6. Step 6: Final answer
    x = 73.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.