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Finding the Fourth Proportional to 15,991.94, 23,998.30 and 7,226.93

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Solution

The fourth proportional to 15,991.94, 23,998.30 and 7,226.93 is: 10,845.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.94 : 23,998.30 = 7,226.93 : x
  2. Step 2: Convert to fraction form
    15,991.94/23,998.30 = 7,226.93/x
  3. Step 3: Cross multiply
    15,991.94x = 23,998.30 × 7,226.93
  4. Step 4: Simplify right side
    15,991.94x = 173,434,076.15
  5. Step 5: Solve for x
    x = 173,434,076.15/15,991.94
  6. Step 6: Final answer
    x = 10,845.09

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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.