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Finding the Fourth Proportional to 11,817.63, 17,739.41 and 4,896.99

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Solution

The fourth proportional to 11,817.63, 17,739.41 and 4,896.99 is: 7,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.63 : 17,739.41 = 4,896.99 : x
  2. Step 2: Convert to fraction form
    11,817.63/17,739.41 = 4,896.99/x
  3. Step 3: Cross multiply
    11,817.63x = 17,739.41 × 4,896.99
  4. Step 4: Simplify right side
    11,817.63x = 86,869,688.89
  5. Step 5: Solve for x
    x = 86,869,688.89/11,817.63
  6. Step 6: Final answer
    x = 7,350.86

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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.