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Finding the Fourth Proportional to 6,505.46, 8,976.86 and 3,672.99

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Solution

The fourth proportional to 6,505.46, 8,976.86 and 3,672.99 is: 5,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.46 : 8,976.86 = 3,672.99 : x
  2. Step 2: Convert to fraction form
    6,505.46/8,976.86 = 3,672.99/x
  3. Step 3: Cross multiply
    6,505.46x = 8,976.86 × 3,672.99
  4. Step 4: Simplify right side
    6,505.46x = 32,971,912.42
  5. Step 5: Solve for x
    x = 32,971,912.42/6,505.46
  6. Step 6: Final answer
    x = 5,068.35

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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.