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Finding the Fourth Proportional to 17,664.57, 26,474.99 and 8,292.47

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Solution

The fourth proportional to 17,664.57, 26,474.99 and 8,292.47 is: 12,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664.57 : 26,474.99 = 8,292.47 : x
  2. Step 2: Convert to fraction form
    17,664.57/26,474.99 = 8,292.47/x
  3. Step 3: Cross multiply
    17,664.57x = 26,474.99 × 8,292.47
  4. Step 4: Simplify right side
    17,664.57x = 219,542,886.49
  5. Step 5: Solve for x
    x = 219,542,886.49/17,664.57
  6. Step 6: Final answer
    x = 12,428.43

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1.5x scale

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.