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Finding the Fourth Proportional to 12,053.87, 18,080.90 and 4,262.68

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Solution

The fourth proportional to 12,053.87, 18,080.90 and 4,262.68 is: 6,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.87 : 18,080.90 = 4,262.68 : x
  2. Step 2: Convert to fraction form
    12,053.87/18,080.90 = 4,262.68/x
  3. Step 3: Cross multiply
    12,053.87x = 18,080.90 × 4,262.68
  4. Step 4: Simplify right side
    12,053.87x = 77,073,090.81
  5. Step 5: Solve for x
    x = 77,073,090.81/12,053.87
  6. Step 6: Final answer
    x = 6,394.05

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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.