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Finding the Fourth Proportional to 6,968.86, 10,454.04 and 3,020.54

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Solution

The fourth proportional to 6,968.86, 10,454.04 and 3,020.54 is: 4,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.86 : 10,454.04 = 3,020.54 : x
  2. Step 2: Convert to fraction form
    6,968.86/10,454.04 = 3,020.54/x
  3. Step 3: Cross multiply
    6,968.86x = 10,454.04 × 3,020.54
  4. Step 4: Simplify right side
    6,968.86x = 31,576,793.71
  5. Step 5: Solve for x
    x = 31,576,793.71/6,968.86
  6. Step 6: Final answer
    x = 4,531.13

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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.