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Finding the Fourth Proportional to 14,908.89, 22,359.42 and 7,879.44

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Solution

The fourth proportional to 14,908.89, 22,359.42 and 7,879.44 is: 11,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.89 : 22,359.42 = 7,879.44 : x
  2. Step 2: Convert to fraction form
    14,908.89/22,359.42 = 7,879.44/x
  3. Step 3: Cross multiply
    14,908.89x = 22,359.42 × 7,879.44
  4. Step 4: Simplify right side
    14,908.89x = 176,179,708.32
  5. Step 5: Solve for x
    x = 176,179,708.32/14,908.89
  6. Step 6: Final answer
    x = 11,817.09

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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.