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Finding the Fourth Proportional to 17,884.18, 26,826.84 and 8,525.22

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Solution

The fourth proportional to 17,884.18, 26,826.84 and 8,525.22 is: 12,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.18 : 26,826.84 = 8,525.22 : x
  2. Step 2: Convert to fraction form
    17,884.18/26,826.84 = 8,525.22/x
  3. Step 3: Cross multiply
    17,884.18x = 26,826.84 × 8,525.22
  4. Step 4: Simplify right side
    17,884.18x = 228,704,712.90
  5. Step 5: Solve for x
    x = 228,704,712.90/17,884.18
  6. Step 6: Final answer
    x = 12,788.10

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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.