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Finding the Fourth Proportional to 22,030.08, 33,043.20 and 7,238.64

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Solution

The fourth proportional to 22,030.08, 33,043.20 and 7,238.64 is: 10,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.08 : 33,043.20 = 7,238.64 : x
  2. Step 2: Convert to fraction form
    22,030.08/33,043.20 = 7,238.64/x
  3. Step 3: Cross multiply
    22,030.08x = 33,043.20 × 7,238.64
  4. Step 4: Simplify right side
    22,030.08x = 239,187,829.25
  5. Step 5: Solve for x
    x = 239,187,829.25/22,030.08
  6. Step 6: Final answer
    x = 10,857.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.