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Finding the Fourth Proportional to 63,644.88, 87,820.19 and 36,782.22

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Solution

The fourth proportional to 63,644.88, 87,820.19 and 36,782.22 is: 50,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,644.88 : 87,820.19 = 36,782.22 : x
  2. Step 2: Convert to fraction form
    63,644.88/87,820.19 = 36,782.22/x
  3. Step 3: Cross multiply
    63,644.88x = 87,820.19 × 36,782.22
  4. Step 4: Simplify right side
    63,644.88x = 3,230,221,549.02
  5. Step 5: Solve for x
    x = 3,230,221,549.02/63,644.88
  6. Step 6: Final answer
    x = 50,753.83

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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.