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Finding the Fourth Proportional to 3,599.99, 5,395.86 and 1,516.87

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Solution

The fourth proportional to 3,599.99, 5,395.86 and 1,516.87 is: 2,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.99 : 5,395.86 = 1,516.87 : x
  2. Step 2: Convert to fraction form
    3,599.99/5,395.86 = 1,516.87/x
  3. Step 3: Cross multiply
    3,599.99x = 5,395.86 × 1,516.87
  4. Step 4: Simplify right side
    3,599.99x = 8,184,804.67
  5. Step 5: Solve for x
    x = 8,184,804.67/3,599.99
  6. Step 6: Final answer
    x = 2,273.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.