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Finding the Fourth Proportional to 3,952.07, 5,926.12 and 1,318.67

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Solution

The fourth proportional to 3,952.07, 5,926.12 and 1,318.67 is: 1,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.07 : 5,926.12 = 1,318.67 : x
  2. Step 2: Convert to fraction form
    3,952.07/5,926.12 = 1,318.67/x
  3. Step 3: Cross multiply
    3,952.07x = 5,926.12 × 1,318.67
  4. Step 4: Simplify right side
    3,952.07x = 7,814,563.73
  5. Step 5: Solve for x
    x = 7,814,563.73/3,952.07
  6. Step 6: Final answer
    x = 1,977.33

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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.