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Finding the Fourth Proportional to 62,809.57, 94,194.11 and 20,679.62

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Solution

The fourth proportional to 62,809.57, 94,194.11 and 20,679.62 is: 31,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.57 : 94,194.11 = 20,679.62 : x
  2. Step 2: Convert to fraction form
    62,809.57/94,194.11 = 20,679.62/x
  3. Step 3: Cross multiply
    62,809.57x = 94,194.11 × 20,679.62
  4. Step 4: Simplify right side
    62,809.57x = 1,947,898,329.06
  5. Step 5: Solve for x
    x = 1,947,898,329.06/62,809.57
  6. Step 6: Final answer
    x = 31,012.76

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1.5x scale

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.