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Finding the Fourth Proportional to 12,575.46, 17,355.67 and 7,199.90

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Solution

The fourth proportional to 12,575.46, 17,355.67 and 7,199.90 is: 9,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.46 : 17,355.67 = 7,199.90 : x
  2. Step 2: Convert to fraction form
    12,575.46/17,355.67 = 7,199.90/x
  3. Step 3: Cross multiply
    12,575.46x = 17,355.67 × 7,199.90
  4. Step 4: Simplify right side
    12,575.46x = 124,958,983.65
  5. Step 5: Solve for x
    x = 124,958,983.65/12,575.46
  6. Step 6: Final answer
    x = 9,936.73

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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.