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Finding the Fourth Proportional to 62,969.92, 86,872.41 and 37,471.18

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Solution

The fourth proportional to 62,969.92, 86,872.41 and 37,471.18 is: 51,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.92 : 86,872.41 = 37,471.18 : x
  2. Step 2: Convert to fraction form
    62,969.92/86,872.41 = 37,471.18/x
  3. Step 3: Cross multiply
    62,969.92x = 86,872.41 × 37,471.18
  4. Step 4: Simplify right side
    62,969.92x = 3,255,211,712.14
  5. Step 5: Solve for x
    x = 3,255,211,712.14/62,969.92
  6. Step 6: Final answer
    x = 51,694.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.