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Finding the Fourth Proportional to 5,489.85, 8,236.14 and 1,594.65

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Solution

The fourth proportional to 5,489.85, 8,236.14 and 1,594.65 is: 2,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.85 : 8,236.14 = 1,594.65 : x
  2. Step 2: Convert to fraction form
    5,489.85/8,236.14 = 1,594.65/x
  3. Step 3: Cross multiply
    5,489.85x = 8,236.14 × 1,594.65
  4. Step 4: Simplify right side
    5,489.85x = 13,133,760.65
  5. Step 5: Solve for x
    x = 13,133,760.65/5,489.85
  6. Step 6: Final answer
    x = 2,392.37

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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.