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Finding the Fourth Proportional to 6,382.67, 8,805.62 and 4,708.05

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Solution

The fourth proportional to 6,382.67, 8,805.62 and 4,708.05 is: 6,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.67 : 8,805.62 = 4,708.05 : x
  2. Step 2: Convert to fraction form
    6,382.67/8,805.62 = 4,708.05/x
  3. Step 3: Cross multiply
    6,382.67x = 8,805.62 × 4,708.05
  4. Step 4: Simplify right side
    6,382.67x = 41,457,299.24
  5. Step 5: Solve for x
    x = 41,457,299.24/6,382.67
  6. Step 6: Final answer
    x = 6,495.29

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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.