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Finding the Fourth Proportional to 1,806.98, 2,709.57 and 832.25

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Solution

The fourth proportional to 1,806.98, 2,709.57 and 832.25 is: 1,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.98 : 2,709.57 = 832.25 : x
  2. Step 2: Convert to fraction form
    1,806.98/2,709.57 = 832.25/x
  3. Step 3: Cross multiply
    1,806.98x = 2,709.57 × 832.25
  4. Step 4: Simplify right side
    1,806.98x = 2,255,039.63
  5. Step 5: Solve for x
    x = 2,255,039.63/1,806.98
  6. Step 6: Final answer
    x = 1,247.96

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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.