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Finding the Fourth Proportional to 9,101.97, 12,554.60 and 5,559.03

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Solution

The fourth proportional to 9,101.97, 12,554.60 and 5,559.03 is: 7,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.97 : 12,554.60 = 5,559.03 : x
  2. Step 2: Convert to fraction form
    9,101.97/12,554.60 = 5,559.03/x
  3. Step 3: Cross multiply
    9,101.97x = 12,554.60 × 5,559.03
  4. Step 4: Simplify right side
    9,101.97x = 69,791,370.24
  5. Step 5: Solve for x
    x = 69,791,370.24/9,101.97
  6. Step 6: Final answer
    x = 7,667.72

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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.