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Finding the Fourth Proportional to 53,956.94, 80,392.91 and 50,938.88

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Solution

The fourth proportional to 53,956.94, 80,392.91 and 50,938.88 is: 75,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.94 : 80,392.91 = 50,938.88 : x
  2. Step 2: Convert to fraction form
    53,956.94/80,392.91 = 50,938.88/x
  3. Step 3: Cross multiply
    53,956.94x = 80,392.91 × 50,938.88
  4. Step 4: Simplify right side
    53,956.94x = 4,095,124,138.68
  5. Step 5: Solve for x
    x = 4,095,124,138.68/53,956.94
  6. Step 6: Final answer
    x = 75,896.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.