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Finding the Fourth Proportional to 62,908.59, 86,785.24 and 37,400.48

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Solution

The fourth proportional to 62,908.59, 86,785.24 and 37,400.48 is: 51,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,908.59 : 86,785.24 = 37,400.48 : x
  2. Step 2: Convert to fraction form
    62,908.59/86,785.24 = 37,400.48/x
  3. Step 3: Cross multiply
    62,908.59x = 86,785.24 × 37,400.48
  4. Step 4: Simplify right side
    62,908.59x = 3,245,809,198.99
  5. Step 5: Solve for x
    x = 3,245,809,198.99/62,908.59
  6. Step 6: Final answer
    x = 51,595.65

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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.