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Finding the Fourth Proportional to 17,975.29, 26,953.20 and 8,103.01

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Solution

The fourth proportional to 17,975.29, 26,953.20 and 8,103.01 is: 12,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.29 : 26,953.20 = 8,103.01 : x
  2. Step 2: Convert to fraction form
    17,975.29/26,953.20 = 8,103.01/x
  3. Step 3: Cross multiply
    17,975.29x = 26,953.20 × 8,103.01
  4. Step 4: Simplify right side
    17,975.29x = 218,401,981.75
  5. Step 5: Solve for x
    x = 218,401,981.75/17,975.29
  6. Step 6: Final answer
    x = 12,150.12

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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.