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Finding the Fourth Proportional to 17,313.18, 25,971.03 and 6,219.96

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Solution

The fourth proportional to 17,313.18, 25,971.03 and 6,219.96 is: 9,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.18 : 25,971.03 = 6,219.96 : x
  2. Step 2: Convert to fraction form
    17,313.18/25,971.03 = 6,219.96/x
  3. Step 3: Cross multiply
    17,313.18x = 25,971.03 × 6,219.96
  4. Step 4: Simplify right side
    17,313.18x = 161,538,767.76
  5. Step 5: Solve for x
    x = 161,538,767.76/17,313.18
  6. Step 6: Final answer
    x = 9,330.39

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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.