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Finding the Fourth Proportional to 17,101.17, 25,661.49 and 13,660.29

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Solution

The fourth proportional to 17,101.17, 25,661.49 and 13,660.29 is: 20,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.17 : 25,661.49 = 13,660.29 : x
  2. Step 2: Convert to fraction form
    17,101.17/25,661.49 = 13,660.29/x
  3. Step 3: Cross multiply
    17,101.17x = 25,661.49 × 13,660.29
  4. Step 4: Simplify right side
    17,101.17x = 350,543,395.23
  5. Step 5: Solve for x
    x = 350,543,395.23/17,101.17
  6. Step 6: Final answer
    x = 20,498.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.