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Finding the Fourth Proportional to 12,488.01, 18,741.23 and 5,914.18

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Solution

The fourth proportional to 12,488.01, 18,741.23 and 5,914.18 is: 8,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.01 : 18,741.23 = 5,914.18 : x
  2. Step 2: Convert to fraction form
    12,488.01/18,741.23 = 5,914.18/x
  3. Step 3: Cross multiply
    12,488.01x = 18,741.23 × 5,914.18
  4. Step 4: Simplify right side
    12,488.01x = 110,839,007.64
  5. Step 5: Solve for x
    x = 110,839,007.64/12,488.01
  6. Step 6: Final answer
    x = 8,875.63

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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.