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Finding the Fourth Proportional to 53,489.79, 80,218.26 and 36,956.07

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Solution

The fourth proportional to 53,489.79, 80,218.26 and 36,956.07 is: 55,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.79 : 80,218.26 = 36,956.07 : x
  2. Step 2: Convert to fraction form
    53,489.79/80,218.26 = 36,956.07/x
  3. Step 3: Cross multiply
    53,489.79x = 80,218.26 × 36,956.07
  4. Step 4: Simplify right side
    53,489.79x = 2,964,551,631.84
  5. Step 5: Solve for x
    x = 2,964,551,631.84/53,489.79
  6. Step 6: Final answer
    x = 55,422.76

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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.