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Finding the Fourth Proportional to 12,633.64, 17,434.44 and 6,968.26

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Solution

The fourth proportional to 12,633.64, 17,434.44 and 6,968.26 is: 9,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.64 : 17,434.44 = 6,968.26 : x
  2. Step 2: Convert to fraction form
    12,633.64/17,434.44 = 6,968.26/x
  3. Step 3: Cross multiply
    12,633.64x = 17,434.44 × 6,968.26
  4. Step 4: Simplify right side
    12,633.64x = 121,487,710.87
  5. Step 5: Solve for x
    x = 121,487,710.87/12,633.64
  6. Step 6: Final answer
    x = 9,616.21

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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.