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Finding the Fourth Proportional to 4,985.02, 6,879.99 and 4,832.02

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Solution

The fourth proportional to 4,985.02, 6,879.99 and 4,832.02 is: 6,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.02 : 6,879.99 = 4,832.02 : x
  2. Step 2: Convert to fraction form
    4,985.02/6,879.99 = 4,832.02/x
  3. Step 3: Cross multiply
    4,985.02x = 6,879.99 × 4,832.02
  4. Step 4: Simplify right side
    4,985.02x = 33,244,249.28
  5. Step 5: Solve for x
    x = 33,244,249.28/4,985.02
  6. Step 6: Final answer
    x = 6,668.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.