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Finding the Fourth Proportional to 11,004.70, 16,474.65 and 10,363.90

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Solution

The fourth proportional to 11,004.70, 16,474.65 and 10,363.90 is: 15,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.70 : 16,474.65 = 10,363.90 : x
  2. Step 2: Convert to fraction form
    11,004.70/16,474.65 = 10,363.90/x
  3. Step 3: Cross multiply
    11,004.70x = 16,474.65 × 10,363.90
  4. Step 4: Simplify right side
    11,004.70x = 170,741,625.14
  5. Step 5: Solve for x
    x = 170,741,625.14/11,004.70
  6. Step 6: Final answer
    x = 15,515.34

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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.