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Finding the Fourth Proportional to 62,713.87, 86,561.73 and 38,826.97

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Solution

The fourth proportional to 62,713.87, 86,561.73 and 38,826.97 is: 53,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.87 : 86,561.73 = 38,826.97 : x
  2. Step 2: Convert to fraction form
    62,713.87/86,561.73 = 38,826.97/x
  3. Step 3: Cross multiply
    62,713.87x = 86,561.73 × 38,826.97
  4. Step 4: Simplify right side
    62,713.87x = 3,360,929,477.45
  5. Step 5: Solve for x
    x = 3,360,929,477.45/62,713.87
  6. Step 6: Final answer
    x = 53,591.49

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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.