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Finding the Fourth Proportional to 63,645.75, 87,833.97 and 35,351.37

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Solution

The fourth proportional to 63,645.75, 87,833.97 and 35,351.37 is: 48,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,645.75 : 87,833.97 = 35,351.37 : x
  2. Step 2: Convert to fraction form
    63,645.75/87,833.97 = 35,351.37/x
  3. Step 3: Cross multiply
    63,645.75x = 87,833.97 × 35,351.37
  4. Step 4: Simplify right side
    63,645.75x = 3,105,051,172.04
  5. Step 5: Solve for x
    x = 3,105,051,172.04/63,645.75
  6. Step 6: Final answer
    x = 48,786.47

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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.