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Finding the Fourth Proportional to 5,168.11, 7,786.63 and 4,675.09

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Solution

The fourth proportional to 5,168.11, 7,786.63 and 4,675.09 is: 7,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.11 : 7,786.63 = 4,675.09 : x
  2. Step 2: Convert to fraction form
    5,168.11/7,786.63 = 4,675.09/x
  3. Step 3: Cross multiply
    5,168.11x = 7,786.63 × 4,675.09
  4. Step 4: Simplify right side
    5,168.11x = 36,403,196.05
  5. Step 5: Solve for x
    x = 36,403,196.05/5,168.11
  6. Step 6: Final answer
    x = 7,043.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.