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Finding the Fourth Proportional to 13,770.87, 19,003.92 and 7,483.25

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Solution

The fourth proportional to 13,770.87, 19,003.92 and 7,483.25 is: 10,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770.87 : 19,003.92 = 7,483.25 : x
  2. Step 2: Convert to fraction form
    13,770.87/19,003.92 = 7,483.25/x
  3. Step 3: Cross multiply
    13,770.87x = 19,003.92 × 7,483.25
  4. Step 4: Simplify right side
    13,770.87x = 142,211,084.34
  5. Step 5: Solve for x
    x = 142,211,084.34/13,770.87
  6. Step 6: Final answer
    x = 10,326.95

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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.