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Finding the Fourth Proportional to 6,283.56, 8,672.86 and 3,632.49

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Solution

The fourth proportional to 6,283.56, 8,672.86 and 3,632.49 is: 5,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.56 : 8,672.86 = 3,632.49 : x
  2. Step 2: Convert to fraction form
    6,283.56/8,672.86 = 3,632.49/x
  3. Step 3: Cross multiply
    6,283.56x = 8,672.86 × 3,632.49
  4. Step 4: Simplify right side
    6,283.56x = 31,504,089.82
  5. Step 5: Solve for x
    x = 31,504,089.82/6,283.56
  6. Step 6: Final answer
    x = 5,013.74

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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.