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Finding the Fourth Proportional to 11,881.72, 17,804.09 and 4,482.13

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Solution

The fourth proportional to 11,881.72, 17,804.09 and 4,482.13 is: 6,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.72 : 17,804.09 = 4,482.13 : x
  2. Step 2: Convert to fraction form
    11,881.72/17,804.09 = 4,482.13/x
  3. Step 3: Cross multiply
    11,881.72x = 17,804.09 × 4,482.13
  4. Step 4: Simplify right side
    11,881.72x = 79,800,245.91
  5. Step 5: Solve for x
    x = 79,800,245.91/11,881.72
  6. Step 6: Final answer
    x = 6,716.22

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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.