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Finding the Fourth Proportional to 14,712.06, 20,302.51 and 7,997.29

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Solution

The fourth proportional to 14,712.06, 20,302.51 and 7,997.29 is: 11,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.06 : 20,302.51 = 7,997.29 : x
  2. Step 2: Convert to fraction form
    14,712.06/20,302.51 = 7,997.29/x
  3. Step 3: Cross multiply
    14,712.06x = 20,302.51 × 7,997.29
  4. Step 4: Simplify right side
    14,712.06x = 162,365,039.05
  5. Step 5: Solve for x
    x = 162,365,039.05/14,712.06
  6. Step 6: Final answer
    x = 11,036.18

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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.