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Finding the Fourth Proportional to 11,659.87, 17,480.22 and 4,636.87

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Solution

The fourth proportional to 11,659.87, 17,480.22 and 4,636.87 is: 6,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.87 : 17,480.22 = 4,636.87 : x
  2. Step 2: Convert to fraction form
    11,659.87/17,480.22 = 4,636.87/x
  3. Step 3: Cross multiply
    11,659.87x = 17,480.22 × 4,636.87
  4. Step 4: Simplify right side
    11,659.87x = 81,053,507.71
  5. Step 5: Solve for x
    x = 81,053,507.71/11,659.87
  6. Step 6: Final answer
    x = 6,951.49

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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.