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Finding the Fourth Proportional to 16,947.54, 23,387.13 and 9,393.57

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Solution

The fourth proportional to 16,947.54, 23,387.13 and 9,393.57 is: 12,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.54 : 23,387.13 = 9,393.57 : x
  2. Step 2: Convert to fraction form
    16,947.54/23,387.13 = 9,393.57/x
  3. Step 3: Cross multiply
    16,947.54x = 23,387.13 × 9,393.57
  4. Step 4: Simplify right side
    16,947.54x = 219,688,642.75
  5. Step 5: Solve for x
    x = 219,688,642.75/16,947.54
  6. Step 6: Final answer
    x = 12,962.86

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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.