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Finding the Fourth Proportional to 11,895.98, 17,869.72 and 7,733.85

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Solution

The fourth proportional to 11,895.98, 17,869.72 and 7,733.85 is: 11,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.98 : 17,869.72 = 7,733.85 : x
  2. Step 2: Convert to fraction form
    11,895.98/17,869.72 = 7,733.85/x
  3. Step 3: Cross multiply
    11,895.98x = 17,869.72 × 7,733.85
  4. Step 4: Simplify right side
    11,895.98x = 138,201,662.18
  5. Step 5: Solve for x
    x = 138,201,662.18/11,895.98
  6. Step 6: Final answer
    x = 11,617.51

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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.