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Finding the Fourth Proportional to 18,051.90, 27,057.12 and 11,300.52

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Solution

The fourth proportional to 18,051.90, 27,057.12 and 11,300.52 is: 16,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.90 : 27,057.12 = 11,300.52 : x
  2. Step 2: Convert to fraction form
    18,051.90/27,057.12 = 11,300.52/x
  3. Step 3: Cross multiply
    18,051.90x = 27,057.12 × 11,300.52
  4. Step 4: Simplify right side
    18,051.90x = 305,759,525.70
  5. Step 5: Solve for x
    x = 305,759,525.70/18,051.90
  6. Step 6: Final answer
    x = 16,937.80

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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.