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Finding the Fourth Proportional to 6,255.07, 8,630.49 and 3,895.54

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Solution

The fourth proportional to 6,255.07, 8,630.49 and 3,895.54 is: 5,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.07 : 8,630.49 = 3,895.54 : x
  2. Step 2: Convert to fraction form
    6,255.07/8,630.49 = 3,895.54/x
  3. Step 3: Cross multiply
    6,255.07x = 8,630.49 × 3,895.54
  4. Step 4: Simplify right side
    6,255.07x = 33,620,419.01
  5. Step 5: Solve for x
    x = 33,620,419.01/6,255.07
  6. Step 6: Final answer
    x = 5,374.91

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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.