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Finding the Fourth Proportional to 5,978.73, 8,968.67 and 2,030.39

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Solution

The fourth proportional to 5,978.73, 8,968.67 and 2,030.39 is: 3,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.73 : 8,968.67 = 2,030.39 : x
  2. Step 2: Convert to fraction form
    5,978.73/8,968.67 = 2,030.39/x
  3. Step 3: Cross multiply
    5,978.73x = 8,968.67 × 2,030.39
  4. Step 4: Simplify right side
    5,978.73x = 18,209,897.88
  5. Step 5: Solve for x
    x = 18,209,897.88/5,978.73
  6. Step 6: Final answer
    x = 3,045.78

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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.