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Finding the Fourth Proportional to 6,376.87, 8,808.45 and 4,383.97

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Solution

The fourth proportional to 6,376.87, 8,808.45 and 4,383.97 is: 6,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.87 : 8,808.45 = 4,383.97 : x
  2. Step 2: Convert to fraction form
    6,376.87/8,808.45 = 4,383.97/x
  3. Step 3: Cross multiply
    6,376.87x = 8,808.45 × 4,383.97
  4. Step 4: Simplify right side
    6,376.87x = 38,615,942.09
  5. Step 5: Solve for x
    x = 38,615,942.09/6,376.87
  6. Step 6: Final answer
    x = 6,055.63

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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.