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Finding the Fourth Proportional to 58,682.43, 80,983.80 and 33,189.84

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Solution

The fourth proportional to 58,682.43, 80,983.80 and 33,189.84 is: 45,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.43 : 80,983.80 = 33,189.84 : x
  2. Step 2: Convert to fraction form
    58,682.43/80,983.80 = 33,189.84/x
  3. Step 3: Cross multiply
    58,682.43x = 80,983.80 × 33,189.84
  4. Step 4: Simplify right side
    58,682.43x = 2,687,839,364.59
  5. Step 5: Solve for x
    x = 2,687,839,364.59/58,682.43
  6. Step 6: Final answer
    x = 45,803.14

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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.