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Finding the Fourth Proportional to 1,632.26, 2,252.70 and 969.08

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Solution

The fourth proportional to 1,632.26, 2,252.70 and 969.08 is: 1,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.26 : 2,252.70 = 969.08 : x
  2. Step 2: Convert to fraction form
    1,632.26/2,252.70 = 969.08/x
  3. Step 3: Cross multiply
    1,632.26x = 2,252.70 × 969.08
  4. Step 4: Simplify right side
    1,632.26x = 2,183,046.52
  5. Step 5: Solve for x
    x = 2,183,046.52/1,632.26
  6. Step 6: Final answer
    x = 1,337.44

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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.