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Finding the Fourth Proportional to 49,249.63, 73,874.44 and 12,313.63

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Solution

The fourth proportional to 49,249.63, 73,874.44 and 12,313.63 is: 18,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,249.63 : 73,874.44 = 12,313.63 : x
  2. Step 2: Convert to fraction form
    49,249.63/73,874.44 = 12,313.63/x
  3. Step 3: Cross multiply
    49,249.63x = 73,874.44 × 12,313.63
  4. Step 4: Simplify right side
    49,249.63x = 909,662,151.25
  5. Step 5: Solve for x
    x = 909,662,151.25/49,249.63
  6. Step 6: Final answer
    x = 18,470.44

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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.