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Finding the Fourth Proportional to 17,993.96, 26,989.68 and 6,308

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Solution

The fourth proportional to 17,993.96, 26,989.68 and 6,308 is: 9,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.96 : 26,989.68 = 6,308 : x
  2. Step 2: Convert to fraction form
    17,993.96/26,989.68 = 6,308/x
  3. Step 3: Cross multiply
    17,993.96x = 26,989.68 × 6,308
  4. Step 4: Simplify right side
    17,993.96x = 170,250,901.44
  5. Step 5: Solve for x
    x = 170,250,901.44/17,993.96
  6. Step 6: Final answer
    x = 9,461.56

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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.