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Finding the Fourth Proportional to 35,794.80, 49,398.47 and 19,879.32

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Solution

The fourth proportional to 35,794.80, 49,398.47 and 19,879.32 is: 27,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,794.80 : 49,398.47 = 19,879.32 : x
  2. Step 2: Convert to fraction form
    35,794.80/49,398.47 = 19,879.32/x
  3. Step 3: Cross multiply
    35,794.80x = 49,398.47 × 19,879.32
  4. Step 4: Simplify right side
    35,794.80x = 982,007,893.24
  5. Step 5: Solve for x
    x = 982,007,893.24/35,794.80
  6. Step 6: Final answer
    x = 27,434.37

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1.5x scale

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.