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Finding the Fourth Proportional to 18,575.51, 27,850.30 and 6,885.59

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Solution

The fourth proportional to 18,575.51, 27,850.30 and 6,885.59 is: 10,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.51 : 27,850.30 = 6,885.59 : x
  2. Step 2: Convert to fraction form
    18,575.51/27,850.30 = 6,885.59/x
  3. Step 3: Cross multiply
    18,575.51x = 27,850.30 × 6,885.59
  4. Step 4: Simplify right side
    18,575.51x = 191,765,590.71
  5. Step 5: Solve for x
    x = 191,765,590.71/18,575.51
  6. Step 6: Final answer
    x = 10,323.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.