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Finding the Fourth Proportional to 13,770.92, 19,003.82 and 7,483.26

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Solution

The fourth proportional to 13,770.92, 19,003.82 and 7,483.26 is: 10,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.92 : 19,003.82 = 7,483.26 : x
  2. Step 2: Convert to fraction form
    13,770.92/19,003.82 = 7,483.26/x
  3. Step 3: Cross multiply
    13,770.92x = 19,003.82 × 7,483.26
  4. Step 4: Simplify right side
    13,770.92x = 142,210,526.05
  5. Step 5: Solve for x
    x = 142,210,526.05/13,770.92
  6. Step 6: Final answer
    x = 10,326.87

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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.