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Finding the Fourth Proportional to 13,771.39, 19,004.52 and 7,483.75

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Solution

The fourth proportional to 13,771.39, 19,004.52 and 7,483.75 is: 10,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.39 : 19,004.52 = 7,483.75 : x
  2. Step 2: Convert to fraction form
    13,771.39/19,004.52 = 7,483.75/x
  3. Step 3: Cross multiply
    13,771.39x = 19,004.52 × 7,483.75
  4. Step 4: Simplify right side
    13,771.39x = 142,225,076.55
  5. Step 5: Solve for x
    x = 142,225,076.55/13,771.39
  6. Step 6: Final answer
    x = 10,327.58

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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.