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Finding the Fourth Proportional to 35,490.87, 48,976.68 and 19,575.33

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Solution

The fourth proportional to 35,490.87, 48,976.68 and 19,575.33 is: 27,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.87 : 48,976.68 = 19,575.33 : x
  2. Step 2: Convert to fraction form
    35,490.87/48,976.68 = 19,575.33/x
  3. Step 3: Cross multiply
    35,490.87x = 48,976.68 × 19,575.33
  4. Step 4: Simplify right side
    35,490.87x = 958,734,673.30
  5. Step 5: Solve for x
    x = 958,734,673.30/35,490.87
  6. Step 6: Final answer
    x = 27,013.56

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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.