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Finding the Fourth Proportional to 6,302.97, 8,696.16 and 3,649.86

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Solution

The fourth proportional to 6,302.97, 8,696.16 and 3,649.86 is: 5,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.97 : 8,696.16 = 3,649.86 : x
  2. Step 2: Convert to fraction form
    6,302.97/8,696.16 = 3,649.86/x
  3. Step 3: Cross multiply
    6,302.97x = 8,696.16 × 3,649.86
  4. Step 4: Simplify right side
    6,302.97x = 31,739,766.54
  5. Step 5: Solve for x
    x = 31,739,766.54/6,302.97
  6. Step 6: Final answer
    x = 5,035.68

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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.