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Finding the Fourth Proportional to 5,879.36, 8,807.28 and 3,538.07

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Solution

The fourth proportional to 5,879.36, 8,807.28 and 3,538.07 is: 5,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.36 : 8,807.28 = 3,538.07 : x
  2. Step 2: Convert to fraction form
    5,879.36/8,807.28 = 3,538.07/x
  3. Step 3: Cross multiply
    5,879.36x = 8,807.28 × 3,538.07
  4. Step 4: Simplify right side
    5,879.36x = 31,160,773.15
  5. Step 5: Solve for x
    x = 31,160,773.15/5,879.36
  6. Step 6: Final answer
    x = 5,300.03

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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.