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Finding the Fourth Proportional to 1,630.48, 2,250.05 and 884.44

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Solution

The fourth proportional to 1,630.48, 2,250.05 and 884.44 is: 1,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.48 : 2,250.05 = 884.44 : x
  2. Step 2: Convert to fraction form
    1,630.48/2,250.05 = 884.44/x
  3. Step 3: Cross multiply
    1,630.48x = 2,250.05 × 884.44
  4. Step 4: Simplify right side
    1,630.48x = 1,990,034.22
  5. Step 5: Solve for x
    x = 1,990,034.22/1,630.48
  6. Step 6: Final answer
    x = 1,220.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.