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Finding the Fourth Proportional to 5,936.84, 8,861.41 and 5,236.44

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Solution

The fourth proportional to 5,936.84, 8,861.41 and 5,236.44 is: 7,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,936.84 : 8,861.41 = 5,236.44 : x
  2. Step 2: Convert to fraction form
    5,936.84/8,861.41 = 5,236.44/x
  3. Step 3: Cross multiply
    5,936.84x = 8,861.41 × 5,236.44
  4. Step 4: Simplify right side
    5,936.84x = 46,402,228.69
  5. Step 5: Solve for x
    x = 46,402,228.69/5,936.84
  6. Step 6: Final answer
    x = 7,815.99

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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.