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Finding the Fourth Proportional to 2,181.63, 3,272.46 and 882.27

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Solution

The fourth proportional to 2,181.63, 3,272.46 and 882.27 is: 1,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.63 : 3,272.46 = 882.27 : x
  2. Step 2: Convert to fraction form
    2,181.63/3,272.46 = 882.27/x
  3. Step 3: Cross multiply
    2,181.63x = 3,272.46 × 882.27
  4. Step 4: Simplify right side
    2,181.63x = 2,887,193.28
  5. Step 5: Solve for x
    x = 2,887,193.28/2,181.63
  6. Step 6: Final answer
    x = 1,323.41

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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.