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Finding the Fourth Proportional to 7,939.02, 11,909.00 and 2,673.59

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Solution

The fourth proportional to 7,939.02, 11,909.00 and 2,673.59 is: 4,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.02 : 11,909.00 = 2,673.59 : x
  2. Step 2: Convert to fraction form
    7,939.02/11,909.00 = 2,673.59/x
  3. Step 3: Cross multiply
    7,939.02x = 11,909.00 × 2,673.59
  4. Step 4: Simplify right side
    7,939.02x = 31,839,776.63
  5. Step 5: Solve for x
    x = 31,839,776.63/7,939.02
  6. Step 6: Final answer
    x = 4,010.54

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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.