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Finding the Fourth Proportional to 11,959.56, 17,926.06 and 9,028.36

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Solution

The fourth proportional to 11,959.56, 17,926.06 and 9,028.36 is: 13,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.56 : 17,926.06 = 9,028.36 : x
  2. Step 2: Convert to fraction form
    11,959.56/17,926.06 = 9,028.36/x
  3. Step 3: Cross multiply
    11,959.56x = 17,926.06 × 9,028.36
  4. Step 4: Simplify right side
    11,959.56x = 161,842,923.06
  5. Step 5: Solve for x
    x = 161,842,923.06/11,959.56
  6. Step 6: Final answer
    x = 13,532.51

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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.