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Finding the Fourth Proportional to 5,919.55, 8,879.26 and 4,065.01

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Solution

The fourth proportional to 5,919.55, 8,879.26 and 4,065.01 is: 6,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.55 : 8,879.26 = 4,065.01 : x
  2. Step 2: Convert to fraction form
    5,919.55/8,879.26 = 4,065.01/x
  3. Step 3: Cross multiply
    5,919.55x = 8,879.26 × 4,065.01
  4. Step 4: Simplify right side
    5,919.55x = 36,094,280.69
  5. Step 5: Solve for x
    x = 36,094,280.69/5,919.55
  6. Step 6: Final answer
    x = 6,097.47

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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.