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Finding the Fourth Proportional to 63,891.80, 88,171.29 and 35,212.51

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Solution

The fourth proportional to 63,891.80, 88,171.29 and 35,212.51 is: 48,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,891.80 : 88,171.29 = 35,212.51 : x
  2. Step 2: Convert to fraction form
    63,891.80/88,171.29 = 35,212.51/x
  3. Step 3: Cross multiply
    63,891.80x = 88,171.29 × 35,212.51
  4. Step 4: Simplify right side
    63,891.80x = 3,104,731,857.93
  5. Step 5: Solve for x
    x = 3,104,731,857.93/63,891.80
  6. Step 6: Final answer
    x = 48,593.59

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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.