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Finding the Fourth Proportional to 56,473.92, 84,700.80 and 33,076.80

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Solution

The fourth proportional to 56,473.92, 84,700.80 and 33,076.80 is: 49,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.92 : 84,700.80 = 33,076.80 : x
  2. Step 2: Convert to fraction form
    56,473.92/84,700.80 = 33,076.80/x
  3. Step 3: Cross multiply
    56,473.92x = 84,700.80 × 33,076.80
  4. Step 4: Simplify right side
    56,473.92x = 2,801,631,421.44
  5. Step 5: Solve for x
    x = 2,801,631,421.44/56,473.92
  6. Step 6: Final answer
    x = 49,609.30

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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.