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Finding the Fourth Proportional to 64,489.30, 88,994.49 and 36,194.38

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Solution

The fourth proportional to 64,489.30, 88,994.49 and 36,194.38 is: 49,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,489.30 : 88,994.49 = 36,194.38 : x
  2. Step 2: Convert to fraction form
    64,489.30/88,994.49 = 36,194.38/x
  3. Step 3: Cross multiply
    64,489.30x = 88,994.49 × 36,194.38
  4. Step 4: Simplify right side
    64,489.30x = 3,221,100,388.97
  5. Step 5: Solve for x
    x = 3,221,100,388.97/64,489.30
  6. Step 6: Final answer
    x = 49,947.83

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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.