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Finding the Fourth Proportional to 4,664.93, 6,437.54 and 2,540.43

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Solution

The fourth proportional to 4,664.93, 6,437.54 and 2,540.43 is: 3,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.93 : 6,437.54 = 2,540.43 : x
  2. Step 2: Convert to fraction form
    4,664.93/6,437.54 = 2,540.43/x
  3. Step 3: Cross multiply
    4,664.93x = 6,437.54 × 2,540.43
  4. Step 4: Simplify right side
    4,664.93x = 16,354,126.09
  5. Step 5: Solve for x
    x = 16,354,126.09/4,664.93
  6. Step 6: Final answer
    x = 3,505.76

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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.