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Finding the Fourth Proportional to 17,786.84, 26,697.54 and 8,559.32

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Solution

The fourth proportional to 17,786.84, 26,697.54 and 8,559.32 is: 12,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.84 : 26,697.54 = 8,559.32 : x
  2. Step 2: Convert to fraction form
    17,786.84/26,697.54 = 8,559.32/x
  3. Step 3: Cross multiply
    17,786.84x = 26,697.54 × 8,559.32
  4. Step 4: Simplify right side
    17,786.84x = 228,512,788.07
  5. Step 5: Solve for x
    x = 228,512,788.07/17,786.84
  6. Step 6: Final answer
    x = 12,847.30

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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.