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Finding the Fourth Proportional to 18,567.06, 27,850.53 and 4,716.06

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Solution

The fourth proportional to 18,567.06, 27,850.53 and 4,716.06 is: 7,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.06 : 27,850.53 = 4,716.06 : x
  2. Step 2: Convert to fraction form
    18,567.06/27,850.53 = 4,716.06/x
  3. Step 3: Cross multiply
    18,567.06x = 27,850.53 × 4,716.06
  4. Step 4: Simplify right side
    18,567.06x = 131,344,770.51
  5. Step 5: Solve for x
    x = 131,344,770.51/18,567.06
  6. Step 6: Final answer
    x = 7,074.07

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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.