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Finding the Fourth Proportional to 35,574.51, 49,093.80 and 19,659.96

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Solution

The fourth proportional to 35,574.51, 49,093.80 and 19,659.96 is: 27,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.51 : 49,093.80 = 19,659.96 : x
  2. Step 2: Convert to fraction form
    35,574.51/49,093.80 = 19,659.96/x
  3. Step 3: Cross multiply
    35,574.51x = 49,093.80 × 19,659.96
  4. Step 4: Simplify right side
    35,574.51x = 965,182,144.25
  5. Step 5: Solve for x
    x = 965,182,144.25/35,574.51
  6. Step 6: Final answer
    x = 27,131.28

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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.