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Finding the Fourth Proportional to 3,952.12, 5,926.92 and 1,612.12

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Solution

The fourth proportional to 3,952.12, 5,926.92 and 1,612.12 is: 2,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.12 : 5,926.92 = 1,612.12 : x
  2. Step 2: Convert to fraction form
    3,952.12/5,926.92 = 1,612.12/x
  3. Step 3: Cross multiply
    3,952.12x = 5,926.92 × 1,612.12
  4. Step 4: Simplify right side
    3,952.12x = 9,554,906.27
  5. Step 5: Solve for x
    x = 9,554,906.27/3,952.12
  6. Step 6: Final answer
    x = 2,417.67

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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.