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Finding the Fourth Proportional to 9,326.90, 13,989.87 and 3,483.05

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Solution

The fourth proportional to 9,326.90, 13,989.87 and 3,483.05 is: 5,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.90 : 13,989.87 = 3,483.05 : x
  2. Step 2: Convert to fraction form
    9,326.90/13,989.87 = 3,483.05/x
  3. Step 3: Cross multiply
    9,326.90x = 13,989.87 × 3,483.05
  4. Step 4: Simplify right side
    9,326.90x = 48,727,346.75
  5. Step 5: Solve for x
    x = 48,727,346.75/9,326.90
  6. Step 6: Final answer
    x = 5,224.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.