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Finding the Fourth Proportional to 8,936.88, 13,405.47 and 3,093.63

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Solution

The fourth proportional to 8,936.88, 13,405.47 and 3,093.63 is: 4,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.88 : 13,405.47 = 3,093.63 : x
  2. Step 2: Convert to fraction form
    8,936.88/13,405.47 = 3,093.63/x
  3. Step 3: Cross multiply
    8,936.88x = 13,405.47 × 3,093.63
  4. Step 4: Simplify right side
    8,936.88x = 41,471,564.16
  5. Step 5: Solve for x
    x = 41,471,564.16/8,936.88
  6. Step 6: Final answer
    x = 4,640.50

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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.