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Finding the Fourth Proportional to 17,015.19, 25,496.79 and 7,149.07

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Solution

The fourth proportional to 17,015.19, 25,496.79 and 7,149.07 is: 10,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.19 : 25,496.79 = 7,149.07 : x
  2. Step 2: Convert to fraction form
    17,015.19/25,496.79 = 7,149.07/x
  3. Step 3: Cross multiply
    17,015.19x = 25,496.79 × 7,149.07
  4. Step 4: Simplify right side
    17,015.19x = 182,278,336.49
  5. Step 5: Solve for x
    x = 182,278,336.49/17,015.19
  6. Step 6: Final answer
    x = 10,712.68

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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.