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Finding the Fourth Proportional to 33,107.40, 45,643.49 and 22,478.58

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Solution

The fourth proportional to 33,107.40, 45,643.49 and 22,478.58 is: 30,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.40 : 45,643.49 = 22,478.58 : x
  2. Step 2: Convert to fraction form
    33,107.40/45,643.49 = 22,478.58/x
  3. Step 3: Cross multiply
    33,107.40x = 45,643.49 × 22,478.58
  4. Step 4: Simplify right side
    33,107.40x = 1,026,000,841.44
  5. Step 5: Solve for x
    x = 1,026,000,841.44/33,107.40
  6. Step 6: Final answer
    x = 30,990.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.