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Finding the Fourth Proportional to 12,240.92, 16,893.80 and 7,206.37

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Solution

The fourth proportional to 12,240.92, 16,893.80 and 7,206.37 is: 9,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.92 : 16,893.80 = 7,206.37 : x
  2. Step 2: Convert to fraction form
    12,240.92/16,893.80 = 7,206.37/x
  3. Step 3: Cross multiply
    12,240.92x = 16,893.80 × 7,206.37
  4. Step 4: Simplify right side
    12,240.92x = 121,742,922.26
  5. Step 5: Solve for x
    x = 121,742,922.26/12,240.92
  6. Step 6: Final answer
    x = 9,945.57

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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.