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Finding the Fourth Proportional to 1,630.44, 2,249.88 and 967.44

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Solution

The fourth proportional to 1,630.44, 2,249.88 and 967.44 is: 1,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.44 : 2,249.88 = 967.44 : x
  2. Step 2: Convert to fraction form
    1,630.44/2,249.88 = 967.44/x
  3. Step 3: Cross multiply
    1,630.44x = 2,249.88 × 967.44
  4. Step 4: Simplify right side
    1,630.44x = 2,176,623.91
  5. Step 5: Solve for x
    x = 2,176,623.91/1,630.44
  6. Step 6: Final answer
    x = 1,334.99

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1.5x scale

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.