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Finding the Fourth Proportional to 12,351.59, 17,043.59 and 7,046.09

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Solution

The fourth proportional to 12,351.59, 17,043.59 and 7,046.09 is: 9,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.59 : 17,043.59 = 7,046.09 : x
  2. Step 2: Convert to fraction form
    12,351.59/17,043.59 = 7,046.09/x
  3. Step 3: Cross multiply
    12,351.59x = 17,043.59 × 7,046.09
  4. Step 4: Simplify right side
    12,351.59x = 120,090,669.06
  5. Step 5: Solve for x
    x = 120,090,669.06/12,351.59
  6. Step 6: Final answer
    x = 9,722.69

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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.