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Finding the Fourth Proportional to 12,144.57, 16,759.61 and 7,362.93

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Solution

The fourth proportional to 12,144.57, 16,759.61 and 7,362.93 is: 10,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.57 : 16,759.61 = 7,362.93 : x
  2. Step 2: Convert to fraction form
    12,144.57/16,759.61 = 7,362.93/x
  3. Step 3: Cross multiply
    12,144.57x = 16,759.61 × 7,362.93
  4. Step 4: Simplify right side
    12,144.57x = 123,399,888.90
  5. Step 5: Solve for x
    x = 123,399,888.90/12,144.57
  6. Step 6: Final answer
    x = 10,160.91

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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.