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Finding the Fourth Proportional to 49,293.40, 73,997.70 and 48,947.80

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Solution

The fourth proportional to 49,293.40, 73,997.70 and 48,947.80 is: 73,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,293.40 : 73,997.70 = 48,947.80 : x
  2. Step 2: Convert to fraction form
    49,293.40/73,997.70 = 48,947.80/x
  3. Step 3: Cross multiply
    49,293.40x = 73,997.70 × 48,947.80
  4. Step 4: Simplify right side
    49,293.40x = 3,622,024,620.06
  5. Step 5: Solve for x
    x = 3,622,024,620.06/49,293.40
  6. Step 6: Final answer
    x = 73,478.90

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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.