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Finding the Fourth Proportional to 11,662.65, 17,483.40 and 4,261.89

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Solution

The fourth proportional to 11,662.65, 17,483.40 and 4,261.89 is: 6,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.65 : 17,483.40 = 4,261.89 : x
  2. Step 2: Convert to fraction form
    11,662.65/17,483.40 = 4,261.89/x
  3. Step 3: Cross multiply
    11,662.65x = 17,483.40 × 4,261.89
  4. Step 4: Simplify right side
    11,662.65x = 74,512,327.63
  5. Step 5: Solve for x
    x = 74,512,327.63/11,662.65
  6. Step 6: Final answer
    x = 6,388.97

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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.