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Finding the Fourth Proportional to 62,251.63, 93,378.25 and 20,698.63

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Solution

The fourth proportional to 62,251.63, 93,378.25 and 20,698.63 is: 31,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,251.63 : 93,378.25 = 20,698.63 : x
  2. Step 2: Convert to fraction form
    62,251.63/93,378.25 = 20,698.63/x
  3. Step 3: Cross multiply
    62,251.63x = 93,378.25 × 20,698.63
  4. Step 4: Simplify right side
    62,251.63x = 1,932,801,379.91
  5. Step 5: Solve for x
    x = 1,932,801,379.91/62,251.63
  6. Step 6: Final answer
    x = 31,048.21

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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.