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Finding the Fourth Proportional to 22,068.56, 30,464.43 and 13,118.96

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Solution

The fourth proportional to 22,068.56, 30,464.43 and 13,118.96 is: 18,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.56 : 30,464.43 = 13,118.96 : x
  2. Step 2: Convert to fraction form
    22,068.56/30,464.43 = 13,118.96/x
  3. Step 3: Cross multiply
    22,068.56x = 30,464.43 × 13,118.96
  4. Step 4: Simplify right side
    22,068.56x = 399,661,638.59
  5. Step 5: Solve for x
    x = 399,661,638.59/22,068.56
  6. Step 6: Final answer
    x = 18,110.00

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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.