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Finding the Fourth Proportional to 22,009.26, 33,016.08 and 7,218.24

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Solution

The fourth proportional to 22,009.26, 33,016.08 and 7,218.24 is: 10,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.26 : 33,016.08 = 7,218.24 : x
  2. Step 2: Convert to fraction form
    22,009.26/33,016.08 = 7,218.24/x
  3. Step 3: Cross multiply
    22,009.26x = 33,016.08 × 7,218.24
  4. Step 4: Simplify right side
    22,009.26x = 238,317,989.30
  5. Step 5: Solve for x
    x = 238,317,989.30/22,009.26
  6. Step 6: Final answer
    x = 10,828.08

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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.