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Finding the Fourth Proportional to 63,507.97, 87,640.90 and 36,650.48

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Solution

The fourth proportional to 63,507.97, 87,640.90 and 36,650.48 is: 50,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,507.97 : 87,640.90 = 36,650.48 : x
  2. Step 2: Convert to fraction form
    63,507.97/87,640.90 = 36,650.48/x
  3. Step 3: Cross multiply
    63,507.97x = 87,640.90 × 36,650.48
  4. Step 4: Simplify right side
    63,507.97x = 3,212,080,522.80
  5. Step 5: Solve for x
    x = 3,212,080,522.80/63,507.97
  6. Step 6: Final answer
    x = 50,577.60

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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.