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Finding the Fourth Proportional to 11,662.68, 17,483.44 and 4,261.96

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Solution

The fourth proportional to 11,662.68, 17,483.44 and 4,261.96 is: 6,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.68 : 17,483.44 = 4,261.96 : x
  2. Step 2: Convert to fraction form
    11,662.68/17,483.44 = 4,261.96/x
  3. Step 3: Cross multiply
    11,662.68x = 17,483.44 × 4,261.96
  4. Step 4: Simplify right side
    11,662.68x = 74,513,721.94
  5. Step 5: Solve for x
    x = 74,513,721.94/11,662.68
  6. Step 6: Final answer
    x = 6,389.07

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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.