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Finding the Fourth Proportional to 63,668.57, 87,858.88 and 36,809.17

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Solution

The fourth proportional to 63,668.57, 87,858.88 and 36,809.17 is: 50,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.57 : 87,858.88 = 36,809.17 : x
  2. Step 2: Convert to fraction form
    63,668.57/87,858.88 = 36,809.17/x
  3. Step 3: Cross multiply
    63,668.57x = 87,858.88 × 36,809.17
  4. Step 4: Simplify right side
    63,668.57x = 3,234,012,138.26
  5. Step 5: Solve for x
    x = 3,234,012,138.26/63,668.57
  6. Step 6: Final answer
    x = 50,794.49

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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.