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Finding the Fourth Proportional to 35,328.84, 48,757.19 and 20,218.48

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Solution

The fourth proportional to 35,328.84, 48,757.19 and 20,218.48 is: 27,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.84 : 48,757.19 = 20,218.48 : x
  2. Step 2: Convert to fraction form
    35,328.84/48,757.19 = 20,218.48/x
  3. Step 3: Cross multiply
    35,328.84x = 48,757.19 × 20,218.48
  4. Step 4: Simplify right side
    35,328.84x = 985,796,270.87
  5. Step 5: Solve for x
    x = 985,796,270.87/35,328.84
  6. Step 6: Final answer
    x = 27,903.44

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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.