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Finding the Fourth Proportional to 9,873.99, 14,811.26 and 5,519.16

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Solution

The fourth proportional to 9,873.99, 14,811.26 and 5,519.16 is: 8,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.99 : 14,811.26 = 5,519.16 : x
  2. Step 2: Convert to fraction form
    9,873.99/14,811.26 = 5,519.16/x
  3. Step 3: Cross multiply
    9,873.99x = 14,811.26 × 5,519.16
  4. Step 4: Simplify right side
    9,873.99x = 81,745,686.15
  5. Step 5: Solve for x
    x = 81,745,686.15/9,873.99
  6. Step 6: Final answer
    x = 8,278.89

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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.