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Finding the Fourth Proportional to 6,640.02, 9,160.29 and 4,402.26

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Solution

The fourth proportional to 6,640.02, 9,160.29 and 4,402.26 is: 6,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.02 : 9,160.29 = 4,402.26 : x
  2. Step 2: Convert to fraction form
    6,640.02/9,160.29 = 4,402.26/x
  3. Step 3: Cross multiply
    6,640.02x = 9,160.29 × 4,402.26
  4. Step 4: Simplify right side
    6,640.02x = 40,325,978.26
  5. Step 5: Solve for x
    x = 40,325,978.26/6,640.02
  6. Step 6: Final answer
    x = 6,073.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.