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Finding the Fourth Proportional to 5,598.37, 7,725.27 and 3,240.64

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Solution

The fourth proportional to 5,598.37, 7,725.27 and 3,240.64 is: 4,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.37 : 7,725.27 = 3,240.64 : x
  2. Step 2: Convert to fraction form
    5,598.37/7,725.27 = 3,240.64/x
  3. Step 3: Cross multiply
    5,598.37x = 7,725.27 × 3,240.64
  4. Step 4: Simplify right side
    5,598.37x = 25,034,818.97
  5. Step 5: Solve for x
    x = 25,034,818.97/5,598.37
  6. Step 6: Final answer
    x = 4,471.81

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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.