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Finding the Fourth Proportional to 17,709.02, 26,579.94 and 8,950.10

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Solution

The fourth proportional to 17,709.02, 26,579.94 and 8,950.10 is: 13,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.02 : 26,579.94 = 8,950.10 : x
  2. Step 2: Convert to fraction form
    17,709.02/26,579.94 = 8,950.10/x
  3. Step 3: Cross multiply
    17,709.02x = 26,579.94 × 8,950.10
  4. Step 4: Simplify right side
    17,709.02x = 237,893,120.99
  5. Step 5: Solve for x
    x = 237,893,120.99/17,709.02
  6. Step 6: Final answer
    x = 13,433.44

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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.