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Finding the Fourth Proportional to 58,791.33, 81,129.74 and 34,917.39

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Solution

The fourth proportional to 58,791.33, 81,129.74 and 34,917.39 is: 48,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,791.33 : 81,129.74 = 34,917.39 : x
  2. Step 2: Convert to fraction form
    58,791.33/81,129.74 = 34,917.39/x
  3. Step 3: Cross multiply
    58,791.33x = 81,129.74 × 34,917.39
  4. Step 4: Simplify right side
    58,791.33x = 2,832,838,597.59
  5. Step 5: Solve for x
    x = 2,832,838,597.59/58,791.33
  6. Step 6: Final answer
    x = 48,184.63

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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.