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Finding the Fourth Proportional to 14,317.90, 21,485.22 and 5,997.21

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Solution

The fourth proportional to 14,317.90, 21,485.22 and 5,997.21 is: 8,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.90 : 21,485.22 = 5,997.21 : x
  2. Step 2: Convert to fraction form
    14,317.90/21,485.22 = 5,997.21/x
  3. Step 3: Cross multiply
    14,317.90x = 21,485.22 × 5,997.21
  4. Step 4: Simplify right side
    14,317.90x = 128,851,273.18
  5. Step 5: Solve for x
    x = 128,851,273.18/14,317.90
  6. Step 6: Final answer
    x = 8,999.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.