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Finding the Fourth Proportional to 17,623.30, 26,440.87 and 6,530.88

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Solution

The fourth proportional to 17,623.30, 26,440.87 and 6,530.88 is: 9,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.30 : 26,440.87 = 6,530.88 : x
  2. Step 2: Convert to fraction form
    17,623.30/26,440.87 = 6,530.88/x
  3. Step 3: Cross multiply
    17,623.30x = 26,440.87 × 6,530.88
  4. Step 4: Simplify right side
    17,623.30x = 172,682,132.74
  5. Step 5: Solve for x
    x = 172,682,132.74/17,623.30
  6. Step 6: Final answer
    x = 9,798.51

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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.