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Finding the Fourth Proportional to 18,053.51, 27,070.26 and 7,387.36

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Solution

The fourth proportional to 18,053.51, 27,070.26 and 7,387.36 is: 11,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.51 : 27,070.26 = 7,387.36 : x
  2. Step 2: Convert to fraction form
    18,053.51/27,070.26 = 7,387.36/x
  3. Step 3: Cross multiply
    18,053.51x = 27,070.26 × 7,387.36
  4. Step 4: Simplify right side
    18,053.51x = 199,977,755.91
  5. Step 5: Solve for x
    x = 199,977,755.91/18,053.51
  6. Step 6: Final answer
    x = 11,076.95

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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.