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Finding the Fourth Proportional to 57,713.25, 79,645.62 and 36,203.91

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Solution

The fourth proportional to 57,713.25, 79,645.62 and 36,203.91 is: 49,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.25 : 79,645.62 = 36,203.91 : x
  2. Step 2: Convert to fraction form
    57,713.25/79,645.62 = 36,203.91/x
  3. Step 3: Cross multiply
    57,713.25x = 79,645.62 × 36,203.91
  4. Step 4: Simplify right side
    57,713.25x = 2,883,482,858.37
  5. Step 5: Solve for x
    x = 2,883,482,858.37/57,713.25
  6. Step 6: Final answer
    x = 49,962.23

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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.