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Finding the Fourth Proportional to 62,409.80, 93,614.70 and 31,233.80

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Solution

The fourth proportional to 62,409.80, 93,614.70 and 31,233.80 is: 46,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.80 : 93,614.70 = 31,233.80 : x
  2. Step 2: Convert to fraction form
    62,409.80/93,614.70 = 31,233.80/x
  3. Step 3: Cross multiply
    62,409.80x = 93,614.70 × 31,233.80
  4. Step 4: Simplify right side
    62,409.80x = 2,923,942,816.86
  5. Step 5: Solve for x
    x = 2,923,942,816.86/62,409.80
  6. Step 6: Final answer
    x = 46,850.70

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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.