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Finding the Fourth Proportional to 63,620.80, 87,808.32 and 36,759.68

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Solution

The fourth proportional to 63,620.80, 87,808.32 and 36,759.68 is: 50,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.80 : 87,808.32 = 36,759.68 : x
  2. Step 2: Convert to fraction form
    63,620.80/87,808.32 = 36,759.68/x
  3. Step 3: Cross multiply
    63,620.80x = 87,808.32 × 36,759.68
  4. Step 4: Simplify right side
    63,620.80x = 3,227,805,744.54
  5. Step 5: Solve for x
    x = 3,227,805,744.54/63,620.80
  6. Step 6: Final answer
    x = 50,735.07

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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.