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Finding the Fourth Proportional to 7,951.54, 11,927.31 and 3,020.02

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Solution

The fourth proportional to 7,951.54, 11,927.31 and 3,020.02 is: 4,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.54 : 11,927.31 = 3,020.02 : x
  2. Step 2: Convert to fraction form
    7,951.54/11,927.31 = 3,020.02/x
  3. Step 3: Cross multiply
    7,951.54x = 11,927.31 × 3,020.02
  4. Step 4: Simplify right side
    7,951.54x = 36,020,714.75
  5. Step 5: Solve for x
    x = 36,020,714.75/7,951.54
  6. Step 6: Final answer
    x = 4,530.03

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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.