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Finding the Fourth Proportional to 4,965.93, 7,448.90 and 2,657.43

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Solution

The fourth proportional to 4,965.93, 7,448.90 and 2,657.43 is: 3,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.93 : 7,448.90 = 2,657.43 : x
  2. Step 2: Convert to fraction form
    4,965.93/7,448.90 = 2,657.43/x
  3. Step 3: Cross multiply
    4,965.93x = 7,448.90 × 2,657.43
  4. Step 4: Simplify right side
    4,965.93x = 19,794,917.04
  5. Step 5: Solve for x
    x = 19,794,917.04/4,965.93
  6. Step 6: Final answer
    x = 3,986.15

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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.