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Finding the Fourth Proportional to 6,244.07, 8,613.16 and 3,886.97

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Solution

The fourth proportional to 6,244.07, 8,613.16 and 3,886.97 is: 5,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.07 : 8,613.16 = 3,886.97 : x
  2. Step 2: Convert to fraction form
    6,244.07/8,613.16 = 3,886.97/x
  3. Step 3: Cross multiply
    6,244.07x = 8,613.16 × 3,886.97
  4. Step 4: Simplify right side
    6,244.07x = 33,479,032.02
  5. Step 5: Solve for x
    x = 33,479,032.02/6,244.07
  6. Step 6: Final answer
    x = 5,361.74

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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.