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Finding the Fourth Proportional to 11,191.64, 16,789.44 and 4,614.22

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Solution

The fourth proportional to 11,191.64, 16,789.44 and 4,614.22 is: 6,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.64 : 16,789.44 = 4,614.22 : x
  2. Step 2: Convert to fraction form
    11,191.64/16,789.44 = 4,614.22/x
  3. Step 3: Cross multiply
    11,191.64x = 16,789.44 × 4,614.22
  4. Step 4: Simplify right side
    11,191.64x = 77,470,169.84
  5. Step 5: Solve for x
    x = 77,470,169.84/11,191.64
  6. Step 6: Final answer
    x = 6,922.15

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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.