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Finding the Fourth Proportional to 1,632.36, 2,252.34 and 969.42

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Solution

The fourth proportional to 1,632.36, 2,252.34 and 969.42 is: 1,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.36 : 2,252.34 = 969.42 : x
  2. Step 2: Convert to fraction form
    1,632.36/2,252.34 = 969.42/x
  3. Step 3: Cross multiply
    1,632.36x = 2,252.34 × 969.42
  4. Step 4: Simplify right side
    1,632.36x = 2,183,463.44
  5. Step 5: Solve for x
    x = 2,183,463.44/1,632.36
  6. Step 6: Final answer
    x = 1,337.61

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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.