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Finding the Fourth Proportional to 14,081.50, 19,432.47 and 7,794.28

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Solution

The fourth proportional to 14,081.50, 19,432.47 and 7,794.28 is: 10,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.50 : 19,432.47 = 7,794.28 : x
  2. Step 2: Convert to fraction form
    14,081.50/19,432.47 = 7,794.28/x
  3. Step 3: Cross multiply
    14,081.50x = 19,432.47 × 7,794.28
  4. Step 4: Simplify right side
    14,081.50x = 151,462,112.27
  5. Step 5: Solve for x
    x = 151,462,112.27/14,081.50
  6. Step 6: Final answer
    x = 10,756.11

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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.