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Finding the Fourth Proportional to 7,103.96, 9,803.53 and 3,917.37

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Solution

The fourth proportional to 7,103.96, 9,803.53 and 3,917.37 is: 5,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.96 : 9,803.53 = 3,917.37 : x
  2. Step 2: Convert to fraction form
    7,103.96/9,803.53 = 3,917.37/x
  3. Step 3: Cross multiply
    7,103.96x = 9,803.53 × 3,917.37
  4. Step 4: Simplify right side
    7,103.96x = 38,404,054.32
  5. Step 5: Solve for x
    x = 38,404,054.32/7,103.96
  6. Step 6: Final answer
    x = 5,406.01

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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.