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Finding the Fourth Proportional to 17,758.08, 26,651.52 and 10,811.52

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Solution

The fourth proportional to 17,758.08, 26,651.52 and 10,811.52 is: 16,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.08 : 26,651.52 = 10,811.52 : x
  2. Step 2: Convert to fraction form
    17,758.08/26,651.52 = 10,811.52/x
  3. Step 3: Cross multiply
    17,758.08x = 26,651.52 × 10,811.52
  4. Step 4: Simplify right side
    17,758.08x = 288,143,441.51
  5. Step 5: Solve for x
    x = 288,143,441.51/17,758.08
  6. Step 6: Final answer
    x = 16,226.05

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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.