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Finding the Fourth Proportional to 33,662.61, 50,494.77 and 13,935.87

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Solution

The fourth proportional to 33,662.61, 50,494.77 and 13,935.87 is: 20,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,662.61 : 50,494.77 = 13,935.87 : x
  2. Step 2: Convert to fraction form
    33,662.61/50,494.77 = 13,935.87/x
  3. Step 3: Cross multiply
    33,662.61x = 50,494.77 × 13,935.87
  4. Step 4: Simplify right side
    33,662.61x = 703,688,550.40
  5. Step 5: Solve for x
    x = 703,688,550.40/33,662.61
  6. Step 6: Final answer
    x = 20,904.16

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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.