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Finding the Fourth Proportional to 11,489.98, 17,119.41 and 10,735.48

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Solution

The fourth proportional to 11,489.98, 17,119.41 and 10,735.48 is: 15,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.98 : 17,119.41 = 10,735.48 : x
  2. Step 2: Convert to fraction form
    11,489.98/17,119.41 = 10,735.48/x
  3. Step 3: Cross multiply
    11,489.98x = 17,119.41 × 10,735.48
  4. Step 4: Simplify right side
    11,489.98x = 183,785,083.67
  5. Step 5: Solve for x
    x = 183,785,083.67/11,489.98
  6. Step 6: Final answer
    x = 15,995.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.