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Finding the Fourth Proportional to 7,955.01, 11,932.56 and 2,760.89

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Solution

The fourth proportional to 7,955.01, 11,932.56 and 2,760.89 is: 4,141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.01 : 11,932.56 = 2,760.89 : x
  2. Step 2: Convert to fraction form
    7,955.01/11,932.56 = 2,760.89/x
  3. Step 3: Cross multiply
    7,955.01x = 11,932.56 × 2,760.89
  4. Step 4: Simplify right side
    7,955.01x = 32,944,425.92
  5. Step 5: Solve for x
    x = 32,944,425.92/7,955.01
  6. Step 6: Final answer
    x = 4,141.34

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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.