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Finding the Fourth Proportional to 13,264.52, 18,300.66 and 7,671.56

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Solution

The fourth proportional to 13,264.52, 18,300.66 and 7,671.56 is: 10,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.52 : 18,300.66 = 7,671.56 : x
  2. Step 2: Convert to fraction form
    13,264.52/18,300.66 = 7,671.56/x
  3. Step 3: Cross multiply
    13,264.52x = 18,300.66 × 7,671.56
  4. Step 4: Simplify right side
    13,264.52x = 140,394,611.23
  5. Step 5: Solve for x
    x = 140,394,611.23/13,264.52
  6. Step 6: Final answer
    x = 10,584.22

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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.