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Finding the Fourth Proportional to 7,274.08, 10,035.59 and 4,128.44

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Solution

The fourth proportional to 7,274.08, 10,035.59 and 4,128.44 is: 5,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.08 : 10,035.59 = 4,128.44 : x
  2. Step 2: Convert to fraction form
    7,274.08/10,035.59 = 4,128.44/x
  3. Step 3: Cross multiply
    7,274.08x = 10,035.59 × 4,128.44
  4. Step 4: Simplify right side
    7,274.08x = 41,431,366.59
  5. Step 5: Solve for x
    x = 41,431,366.59/7,274.08
  6. Step 6: Final answer
    x = 5,695.76

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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.