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Finding the Fourth Proportional to 9,255.94, 13,891.64 and 5,453.12

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Solution

The fourth proportional to 9,255.94, 13,891.64 and 5,453.12 is: 8,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.94 : 13,891.64 = 5,453.12 : x
  2. Step 2: Convert to fraction form
    9,255.94/13,891.64 = 5,453.12/x
  3. Step 3: Cross multiply
    9,255.94x = 13,891.64 × 5,453.12
  4. Step 4: Simplify right side
    9,255.94x = 75,752,787.38
  5. Step 5: Solve for x
    x = 75,752,787.38/9,255.94
  6. Step 6: Final answer
    x = 8,184.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.