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Finding the Fourth Proportional to 5,879.12, 8,814.51 and 5,325.53

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Solution

The fourth proportional to 5,879.12, 8,814.51 and 5,325.53 is: 7,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.12 : 8,814.51 = 5,325.53 : x
  2. Step 2: Convert to fraction form
    5,879.12/8,814.51 = 5,325.53/x
  3. Step 3: Cross multiply
    5,879.12x = 8,814.51 × 5,325.53
  4. Step 4: Simplify right side
    5,879.12x = 46,941,893.37
  5. Step 5: Solve for x
    x = 46,941,893.37/5,879.12
  6. Step 6: Final answer
    x = 7,984.52

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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.