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Finding the Fourth Proportional to 11,900.72, 17,853.05 and 4,003.94

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Solution

The fourth proportional to 11,900.72, 17,853.05 and 4,003.94 is: 6,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.72 : 17,853.05 = 4,003.94 : x
  2. Step 2: Convert to fraction form
    11,900.72/17,853.05 = 4,003.94/x
  3. Step 3: Cross multiply
    11,900.72x = 17,853.05 × 4,003.94
  4. Step 4: Simplify right side
    11,900.72x = 71,482,595.66
  5. Step 5: Solve for x
    x = 71,482,595.66/11,900.72
  6. Step 6: Final answer
    x = 6,006.58

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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.