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Finding the Fourth Proportional to 34,855.65, 48,100.94 and 18,940.10

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Solution

The fourth proportional to 34,855.65, 48,100.94 and 18,940.10 is: 26,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.65 : 48,100.94 = 18,940.10 : x
  2. Step 2: Convert to fraction form
    34,855.65/48,100.94 = 18,940.10/x
  3. Step 3: Cross multiply
    34,855.65x = 48,100.94 × 18,940.10
  4. Step 4: Simplify right side
    34,855.65x = 911,036,349.51
  5. Step 5: Solve for x
    x = 911,036,349.51/34,855.65
  6. Step 6: Final answer
    x = 26,137.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.