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Finding the Fourth Proportional to 6,504.96, 8,976.82 and 3,520.81

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Solution

The fourth proportional to 6,504.96, 8,976.82 and 3,520.81 is: 4,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.96 : 8,976.82 = 3,520.81 : x
  2. Step 2: Convert to fraction form
    6,504.96/8,976.82 = 3,520.81/x
  3. Step 3: Cross multiply
    6,504.96x = 8,976.82 × 3,520.81
  4. Step 4: Simplify right side
    6,504.96x = 31,605,677.62
  5. Step 5: Solve for x
    x = 31,605,677.62/6,504.96
  6. Step 6: Final answer
    x = 4,858.70

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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.