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Finding the Fourth Proportional to 35,120.40, 52,709.40 and 33,968.40

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Solution

The fourth proportional to 35,120.40, 52,709.40 and 33,968.40 is: 50,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.40 : 52,709.40 = 33,968.40 : x
  2. Step 2: Convert to fraction form
    35,120.40/52,709.40 = 33,968.40/x
  3. Step 3: Cross multiply
    35,120.40x = 52,709.40 × 33,968.40
  4. Step 4: Simplify right side
    35,120.40x = 1,790,453,982.96
  5. Step 5: Solve for x
    x = 1,790,453,982.96/35,120.40
  6. Step 6: Final answer
    x = 50,980.46

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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.