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Finding the Fourth Proportional to 4,892.15, 6,751.05 and 2,653.94

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Solution

The fourth proportional to 4,892.15, 6,751.05 and 2,653.94 is: 3,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.15 : 6,751.05 = 2,653.94 : x
  2. Step 2: Convert to fraction form
    4,892.15/6,751.05 = 2,653.94/x
  3. Step 3: Cross multiply
    4,892.15x = 6,751.05 × 2,653.94
  4. Step 4: Simplify right side
    4,892.15x = 17,916,881.64
  5. Step 5: Solve for x
    x = 17,916,881.64/4,892.15
  6. Step 6: Final answer
    x = 3,662.37

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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.