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Finding the Fourth Proportional to 11,995.28, 17,994.84 and 5,069.84

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Solution

The fourth proportional to 11,995.28, 17,994.84 and 5,069.84 is: 7,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.28 : 17,994.84 = 5,069.84 : x
  2. Step 2: Convert to fraction form
    11,995.28/17,994.84 = 5,069.84/x
  3. Step 3: Cross multiply
    11,995.28x = 17,994.84 × 5,069.84
  4. Step 4: Simplify right side
    11,995.28x = 91,230,959.63
  5. Step 5: Solve for x
    x = 91,230,959.63/11,995.28
  6. Step 6: Final answer
    x = 7,605.57

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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.