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Finding the Fourth Proportional to 1,884.27, 2,822.55 and 882.18

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Solution

The fourth proportional to 1,884.27, 2,822.55 and 882.18 is: 1,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.27 : 2,822.55 = 882.18 : x
  2. Step 2: Convert to fraction form
    1,884.27/2,822.55 = 882.18/x
  3. Step 3: Cross multiply
    1,884.27x = 2,822.55 × 882.18
  4. Step 4: Simplify right side
    1,884.27x = 2,489,997.16
  5. Step 5: Solve for x
    x = 2,489,997.16/1,884.27
  6. Step 6: Final answer
    x = 1,321.47

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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.