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Finding the Fourth Proportional to 17,321.88, 25,985.21 and 6,226.50

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Solution

The fourth proportional to 17,321.88, 25,985.21 and 6,226.50 is: 9,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.88 : 25,985.21 = 6,226.50 : x
  2. Step 2: Convert to fraction form
    17,321.88/25,985.21 = 6,226.50/x
  3. Step 3: Cross multiply
    17,321.88x = 25,985.21 × 6,226.50
  4. Step 4: Simplify right side
    17,321.88x = 161,796,878.93
  5. Step 5: Solve for x
    x = 161,796,878.93/17,321.88
  6. Step 6: Final answer
    x = 9,340.61

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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.