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Finding the Fourth Proportional to 62,121.92, 93,180.72 and 20,568.56

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Solution

The fourth proportional to 62,121.92, 93,180.72 and 20,568.56 is: 30,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.92 : 93,180.72 = 20,568.56 : x
  2. Step 2: Convert to fraction form
    62,121.92/93,180.72 = 20,568.56/x
  3. Step 3: Cross multiply
    62,121.92x = 93,180.72 × 20,568.56
  4. Step 4: Simplify right side
    62,121.92x = 1,916,593,230.16
  5. Step 5: Solve for x
    x = 1,916,593,230.16/62,121.92
  6. Step 6: Final answer
    x = 30,852.12

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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.