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Finding the Fourth Proportional to 16,486.93, 22,759.82 and 9,411.99

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Solution

The fourth proportional to 16,486.93, 22,759.82 and 9,411.99 is: 12,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.93 : 22,759.82 = 9,411.99 : x
  2. Step 2: Convert to fraction form
    16,486.93/22,759.82 = 9,411.99/x
  3. Step 3: Cross multiply
    16,486.93x = 22,759.82 × 9,411.99
  4. Step 4: Simplify right side
    16,486.93x = 214,215,198.24
  5. Step 5: Solve for x
    x = 214,215,198.24/16,486.93
  6. Step 6: Final answer
    x = 12,993.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.