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Finding the Fourth Proportional to 4,674.71, 7,012.07 and 3,936.60

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Solution

The fourth proportional to 4,674.71, 7,012.07 and 3,936.60 is: 5,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.71 : 7,012.07 = 3,936.60 : x
  2. Step 2: Convert to fraction form
    4,674.71/7,012.07 = 3,936.60/x
  3. Step 3: Cross multiply
    4,674.71x = 7,012.07 × 3,936.60
  4. Step 4: Simplify right side
    4,674.71x = 27,603,709.84
  5. Step 5: Solve for x
    x = 27,603,709.84/4,674.71
  6. Step 6: Final answer
    x = 5,904.90

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Similar ratio
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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.