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Finding the Fourth Proportional to 4,885.41, 6,741.84 and 2,647.27

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Solution

The fourth proportional to 4,885.41, 6,741.84 and 2,647.27 is: 3,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.41 : 6,741.84 = 2,647.27 : x
  2. Step 2: Convert to fraction form
    4,885.41/6,741.84 = 2,647.27/x
  3. Step 3: Cross multiply
    4,885.41x = 6,741.84 × 2,647.27
  4. Step 4: Simplify right side
    4,885.41x = 17,847,470.78
  5. Step 5: Solve for x
    x = 17,847,470.78/4,885.41
  6. Step 6: Final answer
    x = 3,653.22

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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.