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Finding the Fourth Proportional to 9,344.17, 13,947.89 and 8,236.99

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Solution

The fourth proportional to 9,344.17, 13,947.89 and 8,236.99 is: 12,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.17 : 13,947.89 = 8,236.99 : x
  2. Step 2: Convert to fraction form
    9,344.17/13,947.89 = 8,236.99/x
  3. Step 3: Cross multiply
    9,344.17x = 13,947.89 × 8,236.99
  4. Step 4: Simplify right side
    9,344.17x = 114,888,630.45
  5. Step 5: Solve for x
    x = 114,888,630.45/9,344.17
  6. Step 6: Final answer
    x = 12,295.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.