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Finding the Fourth Proportional to 56,003.60, 83,956.80 and 33,793.40

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Solution

The fourth proportional to 56,003.60, 83,956.80 and 33,793.40 is: 50,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.60 : 83,956.80 = 33,793.40 : x
  2. Step 2: Convert to fraction form
    56,003.60/83,956.80 = 33,793.40/x
  3. Step 3: Cross multiply
    56,003.60x = 83,956.80 × 33,793.40
  4. Step 4: Simplify right side
    56,003.60x = 2,837,185,725.12
  5. Step 5: Solve for x
    x = 2,837,185,725.12/56,003.60
  6. Step 6: Final answer
    x = 50,660.77

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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.