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Finding the Fourth Proportional to 18,182.94, 27,276.12 and 7,090.56

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Solution

The fourth proportional to 18,182.94, 27,276.12 and 7,090.56 is: 10,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.94 : 27,276.12 = 7,090.56 : x
  2. Step 2: Convert to fraction form
    18,182.94/27,276.12 = 7,090.56/x
  3. Step 3: Cross multiply
    18,182.94x = 27,276.12 × 7,090.56
  4. Step 4: Simplify right side
    18,182.94x = 193,402,965.43
  5. Step 5: Solve for x
    x = 193,402,965.43/18,182.94
  6. Step 6: Final answer
    x = 10,636.51

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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.