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Finding the Fourth Proportional to 12,698.44, 17,523.81 and 7,033.64

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Solution

The fourth proportional to 12,698.44, 17,523.81 and 7,033.64 is: 9,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.44 : 17,523.81 = 7,033.64 : x
  2. Step 2: Convert to fraction form
    12,698.44/17,523.81 = 7,033.64/x
  3. Step 3: Cross multiply
    12,698.44x = 17,523.81 × 7,033.64
  4. Step 4: Simplify right side
    12,698.44x = 123,256,083.35
  5. Step 5: Solve for x
    x = 123,256,083.35/12,698.44
  6. Step 6: Final answer
    x = 9,706.40

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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.