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Finding the Fourth Proportional to 17,574.84, 26,371.98 and 7,193.88

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Solution

The fourth proportional to 17,574.84, 26,371.98 and 7,193.88 is: 10,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574.84 : 26,371.98 = 7,193.88 : x
  2. Step 2: Convert to fraction form
    17,574.84/26,371.98 = 7,193.88/x
  3. Step 3: Cross multiply
    17,574.84x = 26,371.98 × 7,193.88
  4. Step 4: Simplify right side
    17,574.84x = 189,716,859.48
  5. Step 5: Solve for x
    x = 189,716,859.48/17,574.84
  6. Step 6: Final answer
    x = 10,794.80

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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.