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Finding the Fourth Proportional to 43,791.97, 59,995.22 and 42,151.96

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Solution

The fourth proportional to 43,791.97, 59,995.22 and 42,151.96 is: 57,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,791.97 : 59,995.22 = 42,151.96 : x
  2. Step 2: Convert to fraction form
    43,791.97/59,995.22 = 42,151.96/x
  3. Step 3: Cross multiply
    43,791.97x = 59,995.22 × 42,151.96
  4. Step 4: Simplify right side
    43,791.97x = 2,528,916,113.63
  5. Step 5: Solve for x
    x = 2,528,916,113.63/43,791.97
  6. Step 6: Final answer
    x = 57,748.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.