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Finding the Fourth Proportional to 17,355.22, 26,029.54 and 8,461.62

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Solution

The fourth proportional to 17,355.22, 26,029.54 and 8,461.62 is: 12,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,355.22 : 26,029.54 = 8,461.62 : x
  2. Step 2: Convert to fraction form
    17,355.22/26,029.54 = 8,461.62/x
  3. Step 3: Cross multiply
    17,355.22x = 26,029.54 × 8,461.62
  4. Step 4: Simplify right side
    17,355.22x = 220,252,033.95
  5. Step 5: Solve for x
    x = 220,252,033.95/17,355.22
  6. Step 6: Final answer
    x = 12,690.83

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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.