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Finding the Fourth Proportional to 58,997.88, 81,423.72 and 36,332.46

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Solution

The fourth proportional to 58,997.88, 81,423.72 and 36,332.46 is: 50,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,997.88 : 81,423.72 = 36,332.46 : x
  2. Step 2: Convert to fraction form
    58,997.88/81,423.72 = 36,332.46/x
  3. Step 3: Cross multiply
    58,997.88x = 81,423.72 × 36,332.46
  4. Step 4: Simplify right side
    58,997.88x = 2,958,324,049.95
  5. Step 5: Solve for x
    x = 2,958,324,049.95/58,997.88
  6. Step 6: Final answer
    x = 50,142.89

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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.