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Finding the Fourth Proportional to 16,739.82, 23,100.95 and 9,287.82

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Solution

The fourth proportional to 16,739.82, 23,100.95 and 9,287.82 is: 12,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.82 : 23,100.95 = 9,287.82 : x
  2. Step 2: Convert to fraction form
    16,739.82/23,100.95 = 9,287.82/x
  3. Step 3: Cross multiply
    16,739.82x = 23,100.95 × 9,287.82
  4. Step 4: Simplify right side
    16,739.82x = 214,557,418.99
  5. Step 5: Solve for x
    x = 214,557,418.99/16,739.82
  6. Step 6: Final answer
    x = 12,817.19

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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.