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Finding the Fourth Proportional to 56,626.80, 84,940.20 and 50,503.20

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Solution

The fourth proportional to 56,626.80, 84,940.20 and 50,503.20 is: 75,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,626.80 : 84,940.20 = 50,503.20 : x
  2. Step 2: Convert to fraction form
    56,626.80/84,940.20 = 50,503.20/x
  3. Step 3: Cross multiply
    56,626.80x = 84,940.20 × 50,503.20
  4. Step 4: Simplify right side
    56,626.80x = 4,289,751,908.64
  5. Step 5: Solve for x
    x = 4,289,751,908.64/56,626.80
  6. Step 6: Final answer
    x = 75,754.80

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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.