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Finding the Fourth Proportional to 5,979.73, 8,970.17 and 2,031.39

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Solution

The fourth proportional to 5,979.73, 8,970.17 and 2,031.39 is: 3,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.73 : 8,970.17 = 2,031.39 : x
  2. Step 2: Convert to fraction form
    5,979.73/8,970.17 = 2,031.39/x
  3. Step 3: Cross multiply
    5,979.73x = 8,970.17 × 2,031.39
  4. Step 4: Simplify right side
    5,979.73x = 18,221,913.64
  5. Step 5: Solve for x
    x = 18,221,913.64/5,979.73
  6. Step 6: Final answer
    x = 3,047.28

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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.