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Finding the Fourth Proportional to 63,644.13, 87,809.09 and 36,776.84

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Solution

The fourth proportional to 63,644.13, 87,809.09 and 36,776.84 is: 50,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,644.13 : 87,809.09 = 36,776.84 : x
  2. Step 2: Convert to fraction form
    63,644.13/87,809.09 = 36,776.84/x
  3. Step 3: Cross multiply
    63,644.13x = 87,809.09 × 36,776.84
  4. Step 4: Simplify right side
    63,644.13x = 3,229,340,230.55
  5. Step 5: Solve for x
    x = 3,229,340,230.55/63,644.13
  6. Step 6: Final answer
    x = 50,740.58

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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.