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Finding the Fourth Proportional to 16,847.94, 25,259.79 and 7,958.34

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Solution

The fourth proportional to 16,847.94, 25,259.79 and 7,958.34 is: 11,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.94 : 25,259.79 = 7,958.34 : x
  2. Step 2: Convert to fraction form
    16,847.94/25,259.79 = 7,958.34/x
  3. Step 3: Cross multiply
    16,847.94x = 25,259.79 × 7,958.34
  4. Step 4: Simplify right side
    16,847.94x = 201,025,997.15
  5. Step 5: Solve for x
    x = 201,025,997.15/16,847.94
  6. Step 6: Final answer
    x = 11,931.78

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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.