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Finding the Fourth Proportional to 6,379.29, 8,802.63 and 3,546.29

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Solution

The fourth proportional to 6,379.29, 8,802.63 and 3,546.29 is: 4,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.29 : 8,802.63 = 3,546.29 : x
  2. Step 2: Convert to fraction form
    6,379.29/8,802.63 = 3,546.29/x
  3. Step 3: Cross multiply
    6,379.29x = 8,802.63 × 3,546.29
  4. Step 4: Simplify right side
    6,379.29x = 31,216,700.75
  5. Step 5: Solve for x
    x = 31,216,700.75/6,379.29
  6. Step 6: Final answer
    x = 4,893.44

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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.