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Finding the Fourth Proportional to 35,858.44, 49,485.84 and 19,726.42

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Solution

The fourth proportional to 35,858.44, 49,485.84 and 19,726.42 is: 27,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.44 : 49,485.84 = 19,726.42 : x
  2. Step 2: Convert to fraction form
    35,858.44/49,485.84 = 19,726.42/x
  3. Step 3: Cross multiply
    35,858.44x = 49,485.84 × 19,726.42
  4. Step 4: Simplify right side
    35,858.44x = 976,178,463.89
  5. Step 5: Solve for x
    x = 976,178,463.89/35,858.44
  6. Step 6: Final answer
    x = 27,223.12

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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.