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Finding the Fourth Proportional to 7,958.34, 10,982.43 and 4,421.48

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Solution

The fourth proportional to 7,958.34, 10,982.43 and 4,421.48 is: 6,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.34 : 10,982.43 = 4,421.48 : x
  2. Step 2: Convert to fraction form
    7,958.34/10,982.43 = 4,421.48/x
  3. Step 3: Cross multiply
    7,958.34x = 10,982.43 × 4,421.48
  4. Step 4: Simplify right side
    7,958.34x = 48,558,539.68
  5. Step 5: Solve for x
    x = 48,558,539.68/7,958.34
  6. Step 6: Final answer
    x = 6,101.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.