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Finding the Fourth Proportional to 49,355.80, 73,887.90 and 43,523.80

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Solution

The fourth proportional to 49,355.80, 73,887.90 and 43,523.80 is: 65,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,355.80 : 73,887.90 = 43,523.80 : x
  2. Step 2: Convert to fraction form
    49,355.80/73,887.90 = 43,523.80/x
  3. Step 3: Cross multiply
    49,355.80x = 73,887.90 × 43,523.80
  4. Step 4: Simplify right side
    49,355.80x = 3,215,882,182.02
  5. Step 5: Solve for x
    x = 3,215,882,182.02/49,355.80
  6. Step 6: Final answer
    x = 65,157.13

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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.