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Finding the Fourth Proportional to 33,839.90, 46,683.42 and 21,907.10

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Solution

The fourth proportional to 33,839.90, 46,683.42 and 21,907.10 is: 30,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,839.90 : 46,683.42 = 21,907.10 : x
  2. Step 2: Convert to fraction form
    33,839.90/46,683.42 = 21,907.10/x
  3. Step 3: Cross multiply
    33,839.90x = 46,683.42 × 21,907.10
  4. Step 4: Simplify right side
    33,839.90x = 1,022,698,350.28
  5. Step 5: Solve for x
    x = 1,022,698,350.28/33,839.90
  6. Step 6: Final answer
    x = 30,221.67

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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.