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Finding the Fourth Proportional to 7,884.08, 10,880.84 and 5,014.80

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Solution

The fourth proportional to 7,884.08, 10,880.84 and 5,014.80 is: 6,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.08 : 10,880.84 = 5,014.80 : x
  2. Step 2: Convert to fraction form
    7,884.08/10,880.84 = 5,014.80/x
  3. Step 3: Cross multiply
    7,884.08x = 10,880.84 × 5,014.80
  4. Step 4: Simplify right side
    7,884.08x = 54,565,236.43
  5. Step 5: Solve for x
    x = 54,565,236.43/7,884.08
  6. Step 6: Final answer
    x = 6,920.94

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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.