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Finding the Fourth Proportional to 6,581.04, 9,863.28 and 2,880.96

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Solution

The fourth proportional to 6,581.04, 9,863.28 and 2,880.96 is: 4,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.04 : 9,863.28 = 2,880.96 : x
  2. Step 2: Convert to fraction form
    6,581.04/9,863.28 = 2,880.96/x
  3. Step 3: Cross multiply
    6,581.04x = 9,863.28 × 2,880.96
  4. Step 4: Simplify right side
    6,581.04x = 28,415,715.15
  5. Step 5: Solve for x
    x = 28,415,715.15/6,581.04
  6. Step 6: Final answer
    x = 4,317.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.