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Finding the Fourth Proportional to 56,753.20, 85,000.20 and 33,425.20

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Solution

The fourth proportional to 56,753.20, 85,000.20 and 33,425.20 is: 50,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.20 : 85,000.20 = 33,425.20 : x
  2. Step 2: Convert to fraction form
    56,753.20/85,000.20 = 33,425.20/x
  3. Step 3: Cross multiply
    56,753.20x = 85,000.20 × 33,425.20
  4. Step 4: Simplify right side
    56,753.20x = 2,841,148,685.04
  5. Step 5: Solve for x
    x = 2,841,148,685.04/56,753.20
  6. Step 6: Final answer
    x = 50,061.47

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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.