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Finding the Fourth Proportional to 59,974.70, 90,016.92 and 30,412.94

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Solution

The fourth proportional to 59,974.70, 90,016.92 and 30,412.94 is: 45,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,974.70 : 90,016.92 = 30,412.94 : x
  2. Step 2: Convert to fraction form
    59,974.70/90,016.92 = 30,412.94/x
  3. Step 3: Cross multiply
    59,974.70x = 90,016.92 × 30,412.94
  4. Step 4: Simplify right side
    59,974.70x = 2,737,678,736.86
  5. Step 5: Solve for x
    x = 2,737,678,736.86/59,974.70
  6. Step 6: Final answer
    x = 45,647.23

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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.