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Finding the Fourth Proportional to 56,750.70, 84,996.45 and 33,422.70

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Solution

The fourth proportional to 56,750.70, 84,996.45 and 33,422.70 is: 50,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.70 : 84,996.45 = 33,422.70 : x
  2. Step 2: Convert to fraction form
    56,750.70/84,996.45 = 33,422.70/x
  3. Step 3: Cross multiply
    56,750.70x = 84,996.45 × 33,422.70
  4. Step 4: Simplify right side
    56,750.70x = 2,840,810,849.42
  5. Step 5: Solve for x
    x = 2,840,810,849.42/56,750.70
  6. Step 6: Final answer
    x = 50,057.72

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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.