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Finding the Fourth Proportional to 56,170.08, 84,212.98 and 33,978.91

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Solution

The fourth proportional to 56,170.08, 84,212.98 and 33,978.91 is: 50,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.08 : 84,212.98 = 33,978.91 : x
  2. Step 2: Convert to fraction form
    56,170.08/84,212.98 = 33,978.91/x
  3. Step 3: Cross multiply
    56,170.08x = 84,212.98 × 33,978.91
  4. Step 4: Simplify right side
    56,170.08x = 2,861,465,268.25
  5. Step 5: Solve for x
    x = 2,861,465,268.25/56,170.08
  6. Step 6: Final answer
    x = 50,942.87

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1.5x scale

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.