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Finding the Fourth Proportional to 15,907.68, 23,847.84 and 5,518.08

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Solution

The fourth proportional to 15,907.68, 23,847.84 and 5,518.08 is: 8,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907.68 : 23,847.84 = 5,518.08 : x
  2. Step 2: Convert to fraction form
    15,907.68/23,847.84 = 5,518.08/x
  3. Step 3: Cross multiply
    15,907.68x = 23,847.84 × 5,518.08
  4. Step 4: Simplify right side
    15,907.68x = 131,594,288.95
  5. Step 5: Solve for x
    x = 131,594,288.95/15,907.68
  6. Step 6: Final answer
    x = 8,272.37

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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.