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Finding the Fourth Proportional to 1,632.49, 2,252.83 and 886.44

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Solution

The fourth proportional to 1,632.49, 2,252.83 and 886.44 is: 1,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.49 : 2,252.83 = 886.44 : x
  2. Step 2: Convert to fraction form
    1,632.49/2,252.83 = 886.44/x
  3. Step 3: Cross multiply
    1,632.49x = 2,252.83 × 886.44
  4. Step 4: Simplify right side
    1,632.49x = 1,996,996.41
  5. Step 5: Solve for x
    x = 1,996,996.41/1,632.49
  6. Step 6: Final answer
    x = 1,223.28

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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.