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Finding the Fourth Proportional to 48,839.80, 73,259.70 and 33,806.20

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Solution

The fourth proportional to 48,839.80, 73,259.70 and 33,806.20 is: 50,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.80 : 73,259.70 = 33,806.20 : x
  2. Step 2: Convert to fraction form
    48,839.80/73,259.70 = 33,806.20/x
  3. Step 3: Cross multiply
    48,839.80x = 73,259.70 × 33,806.20
  4. Step 4: Simplify right side
    48,839.80x = 2,476,632,070.14
  5. Step 5: Solve for x
    x = 2,476,632,070.14/48,839.80
  6. Step 6: Final answer
    x = 50,709.30

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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.