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Finding the Fourth Proportional to 11,451.70, 17,174.76 and 8,368.03

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Solution

The fourth proportional to 11,451.70, 17,174.76 and 8,368.03 is: 12,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.70 : 17,174.76 = 8,368.03 : x
  2. Step 2: Convert to fraction form
    11,451.70/17,174.76 = 8,368.03/x
  3. Step 3: Cross multiply
    11,451.70x = 17,174.76 × 8,368.03
  4. Step 4: Simplify right side
    11,451.70x = 143,718,906.92
  5. Step 5: Solve for x
    x = 143,718,906.92/11,451.70
  6. Step 6: Final answer
    x = 12,550.01

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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.