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Finding the Fourth Proportional to 14,879.37, 22,320.37 and 5,519.49

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Solution

The fourth proportional to 14,879.37, 22,320.37 and 5,519.49 is: 8,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.37 : 22,320.37 = 5,519.49 : x
  2. Step 2: Convert to fraction form
    14,879.37/22,320.37 = 5,519.49/x
  3. Step 3: Cross multiply
    14,879.37x = 22,320.37 × 5,519.49
  4. Step 4: Simplify right side
    14,879.37x = 123,197,059.01
  5. Step 5: Solve for x
    x = 123,197,059.01/14,879.37
  6. Step 6: Final answer
    x = 8,279.72

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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.