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Finding the Fourth Proportional to 58,871.66, 81,241.17 and 33,380.46

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Solution

The fourth proportional to 58,871.66, 81,241.17 and 33,380.46 is: 46,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.66 : 81,241.17 = 33,380.46 : x
  2. Step 2: Convert to fraction form
    58,871.66/81,241.17 = 33,380.46/x
  3. Step 3: Cross multiply
    58,871.66x = 81,241.17 × 33,380.46
  4. Step 4: Simplify right side
    58,871.66x = 2,711,867,625.54
  5. Step 5: Solve for x
    x = 2,711,867,625.54/58,871.66
  6. Step 6: Final answer
    x = 46,064.06

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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.