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Finding the Fourth Proportional to 25,047.44, 34,631.93 and 21,894.59

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Solution

The fourth proportional to 25,047.44, 34,631.93 and 21,894.59 is: 30,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,047.44 : 34,631.93 = 21,894.59 : x
  2. Step 2: Convert to fraction form
    25,047.44/34,631.93 = 21,894.59/x
  3. Step 3: Cross multiply
    25,047.44x = 34,631.93 × 21,894.59
  4. Step 4: Simplify right side
    25,047.44x = 758,251,789.84
  5. Step 5: Solve for x
    x = 758,251,789.84/25,047.44
  6. Step 6: Final answer
    x = 30,272.62

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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.