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Finding the Fourth Proportional to 56,754.92, 85,103.90 and 33,070.12

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Solution

The fourth proportional to 56,754.92, 85,103.90 and 33,070.12 is: 49,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,754.92 : 85,103.90 = 33,070.12 : x
  2. Step 2: Convert to fraction form
    56,754.92/85,103.90 = 33,070.12/x
  3. Step 3: Cross multiply
    56,754.92x = 85,103.90 × 33,070.12
  4. Step 4: Simplify right side
    56,754.92x = 2,814,396,185.47
  5. Step 5: Solve for x
    x = 2,814,396,185.47/56,754.92
  6. Step 6: Final answer
    x = 49,588.59

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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.