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Finding the Fourth Proportional to 58,331.87, 87,415.79 and 33,334.46

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Solution

The fourth proportional to 58,331.87, 87,415.79 and 33,334.46 is: 49,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,331.87 : 87,415.79 = 33,334.46 : x
  2. Step 2: Convert to fraction form
    58,331.87/87,415.79 = 33,334.46/x
  3. Step 3: Cross multiply
    58,331.87x = 87,415.79 × 33,334.46
  4. Step 4: Simplify right side
    58,331.87x = 2,913,958,155.12
  5. Step 5: Solve for x
    x = 2,913,958,155.12/58,331.87
  6. Step 6: Final answer
    x = 49,954.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.