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Finding the Fourth Proportional to 7,951.95, 11,928.33 and 3,022.02

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Solution

The fourth proportional to 7,951.95, 11,928.33 and 3,022.02 is: 4,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.95 : 11,928.33 = 3,022.02 : x
  2. Step 2: Convert to fraction form
    7,951.95/11,928.33 = 3,022.02/x
  3. Step 3: Cross multiply
    7,951.95x = 11,928.33 × 3,022.02
  4. Step 4: Simplify right side
    7,951.95x = 36,047,651.83
  5. Step 5: Solve for x
    x = 36,047,651.83/7,951.95
  6. Step 6: Final answer
    x = 4,533.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.