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Finding the Fourth Proportional to 63,490.82, 87,594.74 and 36,640.12

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Solution

The fourth proportional to 63,490.82, 87,594.74 and 36,640.12 is: 50,550.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.82 : 87,594.74 = 36,640.12 : x
  2. Step 2: Convert to fraction form
    63,490.82/87,594.74 = 36,640.12/x
  3. Step 3: Cross multiply
    63,490.82x = 87,594.74 × 36,640.12
  4. Step 4: Simplify right side
    63,490.82x = 3,209,481,784.97
  5. Step 5: Solve for x
    x = 3,209,481,784.97/63,490.82
  6. Step 6: Final answer
    x = 50,550.33

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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.