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Finding the Fourth Proportional to 1,806.96, 2,709.54 and 882.57

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Solution

The fourth proportional to 1,806.96, 2,709.54 and 882.57 is: 1,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.96 : 2,709.54 = 882.57 : x
  2. Step 2: Convert to fraction form
    1,806.96/2,709.54 = 882.57/x
  3. Step 3: Cross multiply
    1,806.96x = 2,709.54 × 882.57
  4. Step 4: Simplify right side
    1,806.96x = 2,391,358.72
  5. Step 5: Solve for x
    x = 2,391,358.72/1,806.96
  6. Step 6: Final answer
    x = 1,323.42

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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.