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Finding the Fourth Proportional to 23,682.78, 35,433.95 and 21,058.38

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Solution

The fourth proportional to 23,682.78, 35,433.95 and 21,058.38 is: 31,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,682.78 : 35,433.95 = 21,058.38 : x
  2. Step 2: Convert to fraction form
    23,682.78/35,433.95 = 21,058.38/x
  3. Step 3: Cross multiply
    23,682.78x = 35,433.95 × 21,058.38
  4. Step 4: Simplify right side
    23,682.78x = 746,181,584.00
  5. Step 5: Solve for x
    x = 746,181,584.00/23,682.78
  6. Step 6: Final answer
    x = 31,507.35

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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.