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Finding the Fourth Proportional to 14,376.89, 19,839.89 and 8,003.75

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Solution

The fourth proportional to 14,376.89, 19,839.89 and 8,003.75 is: 11,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.89 : 19,839.89 = 8,003.75 : x
  2. Step 2: Convert to fraction form
    14,376.89/19,839.89 = 8,003.75/x
  3. Step 3: Cross multiply
    14,376.89x = 19,839.89 × 8,003.75
  4. Step 4: Simplify right side
    14,376.89x = 158,793,440.40
  5. Step 5: Solve for x
    x = 158,793,440.40/14,376.89
  6. Step 6: Final answer
    x = 11,045.05

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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.