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Finding the Fourth Proportional to 4,984.86, 6,878.24 and 2,995.86

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Solution

The fourth proportional to 4,984.86, 6,878.24 and 2,995.86 is: 4,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.86 : 6,878.24 = 2,995.86 : x
  2. Step 2: Convert to fraction form
    4,984.86/6,878.24 = 2,995.86/x
  3. Step 3: Cross multiply
    4,984.86x = 6,878.24 × 2,995.86
  4. Step 4: Simplify right side
    4,984.86x = 20,606,244.09
  5. Step 5: Solve for x
    x = 20,606,244.09/4,984.86
  6. Step 6: Final answer
    x = 4,133.77

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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.