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Finding the Fourth Proportional to 14,315.50, 19,755.39 and 8,027.89

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Solution

The fourth proportional to 14,315.50, 19,755.39 and 8,027.89 is: 11,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.50 : 19,755.39 = 8,027.89 : x
  2. Step 2: Convert to fraction form
    14,315.50/19,755.39 = 8,027.89/x
  3. Step 3: Cross multiply
    14,315.50x = 19,755.39 × 8,027.89
  4. Step 4: Simplify right side
    14,315.50x = 158,594,097.83
  5. Step 5: Solve for x
    x = 158,594,097.83/14,315.50
  6. Step 6: Final answer
    x = 11,078.49

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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.