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Finding the Fourth Proportional to 11,807.68, 17,722.44 and 5,968.42

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Solution

The fourth proportional to 11,807.68, 17,722.44 and 5,968.42 is: 8,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.68 : 17,722.44 = 5,968.42 : x
  2. Step 2: Convert to fraction form
    11,807.68/17,722.44 = 5,968.42/x
  3. Step 3: Cross multiply
    11,807.68x = 17,722.44 × 5,968.42
  4. Step 4: Simplify right side
    11,807.68x = 105,774,965.34
  5. Step 5: Solve for x
    x = 105,774,965.34/11,807.68
  6. Step 6: Final answer
    x = 8,958.15

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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.