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Finding the Fourth Proportional to 7,954.67, 11,932.01 and 2,760.59

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Solution

The fourth proportional to 7,954.67, 11,932.01 and 2,760.59 is: 4,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.67 : 11,932.01 = 2,760.59 : x
  2. Step 2: Convert to fraction form
    7,954.67/11,932.01 = 2,760.59/x
  3. Step 3: Cross multiply
    7,954.67x = 11,932.01 × 2,760.59
  4. Step 4: Simplify right side
    7,954.67x = 32,939,387.49
  5. Step 5: Solve for x
    x = 32,939,387.49/7,954.67
  6. Step 6: Final answer
    x = 4,140.89

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1.5x scale

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.