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Finding the Fourth Proportional to 7,955.04, 11,932.41 and 2,691.21

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Solution

The fourth proportional to 7,955.04, 11,932.41 and 2,691.21 is: 4,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.04 : 11,932.41 = 2,691.21 : x
  2. Step 2: Convert to fraction form
    7,955.04/11,932.41 = 2,691.21/x
  3. Step 3: Cross multiply
    7,955.04x = 11,932.41 × 2,691.21
  4. Step 4: Simplify right side
    7,955.04x = 32,112,621.12
  5. Step 5: Solve for x
    x = 32,112,621.12/7,955.04
  6. Step 6: Final answer
    x = 4,036.76

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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.