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Finding the Fourth Proportional to 63,919.31, 88,206.90 and 36,694.59

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Solution

The fourth proportional to 63,919.31, 88,206.90 and 36,694.59 is: 50,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.31 : 88,206.90 = 36,694.59 : x
  2. Step 2: Convert to fraction form
    63,919.31/88,206.90 = 36,694.59/x
  3. Step 3: Cross multiply
    63,919.31x = 88,206.90 × 36,694.59
  4. Step 4: Simplify right side
    63,919.31x = 3,236,716,030.67
  5. Step 5: Solve for x
    x = 3,236,716,030.67/63,919.31
  6. Step 6: Final answer
    x = 50,637.53

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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.