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Finding the Fourth Proportional to 17,356.72, 26,031.78 and 8,463.12

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Solution

The fourth proportional to 17,356.72, 26,031.78 and 8,463.12 is: 12,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,356.72 : 26,031.78 = 8,463.12 : x
  2. Step 2: Convert to fraction form
    17,356.72/26,031.78 = 8,463.12/x
  3. Step 3: Cross multiply
    17,356.72x = 26,031.78 × 8,463.12
  4. Step 4: Simplify right side
    17,356.72x = 220,310,077.95
  5. Step 5: Solve for x
    x = 220,310,077.95/17,356.72
  6. Step 6: Final answer
    x = 12,693.07

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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.