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Finding the Fourth Proportional to 11,922.39, 16,453.33 and 7,203.94

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Solution

The fourth proportional to 11,922.39, 16,453.33 and 7,203.94 is: 9,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.39 : 16,453.33 = 7,203.94 : x
  2. Step 2: Convert to fraction form
    11,922.39/16,453.33 = 7,203.94/x
  3. Step 3: Cross multiply
    11,922.39x = 16,453.33 × 7,203.94
  4. Step 4: Simplify right side
    11,922.39x = 118,528,742.98
  5. Step 5: Solve for x
    x = 118,528,742.98/11,922.39
  6. Step 6: Final answer
    x = 9,941.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.