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Finding the Fourth Proportional to 12,629.86, 17,433.03 and 7,325.98

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Solution

The fourth proportional to 12,629.86, 17,433.03 and 7,325.98 is: 10,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.86 : 17,433.03 = 7,325.98 : x
  2. Step 2: Convert to fraction form
    12,629.86/17,433.03 = 7,325.98/x
  3. Step 3: Cross multiply
    12,629.86x = 17,433.03 × 7,325.98
  4. Step 4: Simplify right side
    12,629.86x = 127,714,029.12
  5. Step 5: Solve for x
    x = 127,714,029.12/12,629.86
  6. Step 6: Final answer
    x = 10,112.07

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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.