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Finding the Fourth Proportional to 9,661.88, 14,487.48 and 2,996.54

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Solution

The fourth proportional to 9,661.88, 14,487.48 and 2,996.54 is: 4,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.88 : 14,487.48 = 2,996.54 : x
  2. Step 2: Convert to fraction form
    9,661.88/14,487.48 = 2,996.54/x
  3. Step 3: Cross multiply
    9,661.88x = 14,487.48 × 2,996.54
  4. Step 4: Simplify right side
    9,661.88x = 43,412,240.88
  5. Step 5: Solve for x
    x = 43,412,240.88/9,661.88
  6. Step 6: Final answer
    x = 4,493.15

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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.