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Finding the Fourth Proportional to 13,052.08, 18,012 and 7,083.81

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Solution

The fourth proportional to 13,052.08, 18,012 and 7,083.81 is: 9,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.08 : 18,012 = 7,083.81 : x
  2. Step 2: Convert to fraction form
    13,052.08/18,012 = 7,083.81/x
  3. Step 3: Cross multiply
    13,052.08x = 18,012 × 7,083.81
  4. Step 4: Simplify right side
    13,052.08x = 127,593,585.72
  5. Step 5: Solve for x
    x = 127,593,585.72/13,052.08
  6. Step 6: Final answer
    x = 9,775.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.