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Finding the Fourth Proportional to 12,476.10, 17,212.59 and 8,002.26

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Solution

The fourth proportional to 12,476.10, 17,212.59 and 8,002.26 is: 11,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.10 : 17,212.59 = 8,002.26 : x
  2. Step 2: Convert to fraction form
    12,476.10/17,212.59 = 8,002.26/x
  3. Step 3: Cross multiply
    12,476.10x = 17,212.59 × 8,002.26
  4. Step 4: Simplify right side
    12,476.10x = 137,739,620.45
  5. Step 5: Solve for x
    x = 137,739,620.45/12,476.10
  6. Step 6: Final answer
    x = 11,040.28

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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.