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Finding the Fourth Proportional to 9,260.96, 13,891.20 and 2,936.24

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Solution

The fourth proportional to 9,260.96, 13,891.20 and 2,936.24 is: 4,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.96 : 13,891.20 = 2,936.24 : x
  2. Step 2: Convert to fraction form
    9,260.96/13,891.20 = 2,936.24/x
  3. Step 3: Cross multiply
    9,260.96x = 13,891.20 × 2,936.24
  4. Step 4: Simplify right side
    9,260.96x = 40,787,897.09
  5. Step 5: Solve for x
    x = 40,787,897.09/9,260.96
  6. Step 6: Final answer
    x = 4,404.28

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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.