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Finding the Fourth Proportional to 22,453.64, 30,992.82 and 13,024.52

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Solution

The fourth proportional to 22,453.64, 30,992.82 and 13,024.52 is: 17,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453.64 : 30,992.82 = 13,024.52 : x
  2. Step 2: Convert to fraction form
    22,453.64/30,992.82 = 13,024.52/x
  3. Step 3: Cross multiply
    22,453.64x = 30,992.82 × 13,024.52
  4. Step 4: Simplify right side
    22,453.64x = 403,666,603.95
  5. Step 5: Solve for x
    x = 403,666,603.95/22,453.64
  6. Step 6: Final answer
    x = 17,977.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.