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Finding the Fourth Proportional to 2,246.27, 3,369.29 and 859.50

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Solution

The fourth proportional to 2,246.27, 3,369.29 and 859.50 is: 1,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.27 : 3,369.29 = 859.50 : x
  2. Step 2: Convert to fraction form
    2,246.27/3,369.29 = 859.50/x
  3. Step 3: Cross multiply
    2,246.27x = 3,369.29 × 859.50
  4. Step 4: Simplify right side
    2,246.27x = 2,895,905.29
  5. Step 5: Solve for x
    x = 2,895,905.29/2,246.27
  6. Step 6: Final answer
    x = 1,289.21

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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.