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Finding the Fourth Proportional to 12,588.36, 17,372.33 and 6,923.63

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Solution

The fourth proportional to 12,588.36, 17,372.33 and 6,923.63 is: 9,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.36 : 17,372.33 = 6,923.63 : x
  2. Step 2: Convert to fraction form
    12,588.36/17,372.33 = 6,923.63/x
  3. Step 3: Cross multiply
    12,588.36x = 17,372.33 × 6,923.63
  4. Step 4: Simplify right side
    12,588.36x = 120,279,463.68
  5. Step 5: Solve for x
    x = 120,279,463.68/12,588.36
  6. Step 6: Final answer
    x = 9,554.82

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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.