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Finding the Fourth Proportional to 11,811.02, 17,713.49 and 5,881.82

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Solution

The fourth proportional to 11,811.02, 17,713.49 and 5,881.82 is: 8,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.02 : 17,713.49 = 5,881.82 : x
  2. Step 2: Convert to fraction form
    11,811.02/17,713.49 = 5,881.82/x
  3. Step 3: Cross multiply
    11,811.02x = 17,713.49 × 5,881.82
  4. Step 4: Simplify right side
    11,811.02x = 104,187,441.78
  5. Step 5: Solve for x
    x = 104,187,441.78/11,811.02
  6. Step 6: Final answer
    x = 8,821.21

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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.