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Finding the Fourth Proportional to 51,861.87, 77,781.87 and 22,293.63

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Solution

The fourth proportional to 51,861.87, 77,781.87 and 22,293.63 is: 33,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.87 : 77,781.87 = 22,293.63 : x
  2. Step 2: Convert to fraction form
    51,861.87/77,781.87 = 22,293.63/x
  3. Step 3: Cross multiply
    51,861.87x = 77,781.87 × 22,293.63
  4. Step 4: Simplify right side
    51,861.87x = 1,734,040,230.49
  5. Step 5: Solve for x
    x = 1,734,040,230.49/51,861.87
  6. Step 6: Final answer
    x = 33,435.74

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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.