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Finding the Fourth Proportional to 17,553.88, 26,288.74 and 12,797.32

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Solution

The fourth proportional to 17,553.88, 26,288.74 and 12,797.32 is: 19,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.88 : 26,288.74 = 12,797.32 : x
  2. Step 2: Convert to fraction form
    17,553.88/26,288.74 = 12,797.32/x
  3. Step 3: Cross multiply
    17,553.88x = 26,288.74 × 12,797.32
  4. Step 4: Simplify right side
    17,553.88x = 336,425,418.18
  5. Step 5: Solve for x
    x = 336,425,418.18/17,553.88
  6. Step 6: Final answer
    x = 19,165.30

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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.