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Finding the Fourth Proportional to 17,019.51, 25,529.22 and 7,029.87

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Solution

The fourth proportional to 17,019.51, 25,529.22 and 7,029.87 is: 10,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.51 : 25,529.22 = 7,029.87 : x
  2. Step 2: Convert to fraction form
    17,019.51/25,529.22 = 7,029.87/x
  3. Step 3: Cross multiply
    17,019.51x = 25,529.22 × 7,029.87
  4. Step 4: Simplify right side
    17,019.51x = 179,467,097.80
  5. Step 5: Solve for x
    x = 179,467,097.80/17,019.51
  6. Step 6: Final answer
    x = 10,544.79

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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.