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Finding the Fourth Proportional to 35,325.33, 48,736.90 and 21,891.68

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Solution

The fourth proportional to 35,325.33, 48,736.90 and 21,891.68 is: 30,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,325.33 : 48,736.90 = 21,891.68 : x
  2. Step 2: Convert to fraction form
    35,325.33/48,736.90 = 21,891.68/x
  3. Step 3: Cross multiply
    35,325.33x = 48,736.90 × 21,891.68
  4. Step 4: Simplify right side
    35,325.33x = 1,066,932,546.22
  5. Step 5: Solve for x
    x = 1,066,932,546.22/35,325.33
  6. Step 6: Final answer
    x = 30,203.05

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Why These Related Problems?

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