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Finding the Fourth Proportional to 28,859.49, 43,326.63 and 27,675

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Solution

The fourth proportional to 28,859.49, 43,326.63 and 27,675 is: 41,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.49 : 43,326.63 = 27,675 : x
  2. Step 2: Convert to fraction form
    28,859.49/43,326.63 = 27,675/x
  3. Step 3: Cross multiply
    28,859.49x = 43,326.63 × 27,675
  4. Step 4: Simplify right side
    28,859.49x = 1,199,064,485.25
  5. Step 5: Solve for x
    x = 1,199,064,485.25/28,859.49
  6. Step 6: Final answer
    x = 41,548.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.