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Finding the Fourth Proportional to 63,190.37, 87,203.31 and 35,965.12

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Solution

The fourth proportional to 63,190.37, 87,203.31 and 35,965.12 is: 49,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.37 : 87,203.31 = 35,965.12 : x
  2. Step 2: Convert to fraction form
    63,190.37/87,203.31 = 35,965.12/x
  3. Step 3: Cross multiply
    63,190.37x = 87,203.31 × 35,965.12
  4. Step 4: Simplify right side
    63,190.37x = 3,136,277,631.68
  5. Step 5: Solve for x
    x = 3,136,277,631.68/63,190.37
  6. Step 6: Final answer
    x = 49,632.20

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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.