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Finding the Fourth Proportional to 7,956.74, 10,980.81 and 4,419.99

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Solution

The fourth proportional to 7,956.74, 10,980.81 and 4,419.99 is: 6,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.74 : 10,980.81 = 4,419.99 : x
  2. Step 2: Convert to fraction form
    7,956.74/10,980.81 = 4,419.99/x
  3. Step 3: Cross multiply
    7,956.74x = 10,980.81 × 4,419.99
  4. Step 4: Simplify right side
    7,956.74x = 48,535,070.39
  5. Step 5: Solve for x
    x = 48,535,070.39/7,956.74
  6. Step 6: Final answer
    x = 6,099.87

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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.