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Finding the Fourth Proportional to 5,054.68, 6,976.14 and 2,958.80

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Solution

The fourth proportional to 5,054.68, 6,976.14 and 2,958.80 is: 4,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.68 : 6,976.14 = 2,958.80 : x
  2. Step 2: Convert to fraction form
    5,054.68/6,976.14 = 2,958.80/x
  3. Step 3: Cross multiply
    5,054.68x = 6,976.14 × 2,958.80
  4. Step 4: Simplify right side
    5,054.68x = 20,641,003.03
  5. Step 5: Solve for x
    x = 20,641,003.03/5,054.68
  6. Step 6: Final answer
    x = 4,083.54

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1.5x scale

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.