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Finding the Fourth Proportional to 5,651.79, 8,473.09 and 4,880.94

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Solution

The fourth proportional to 5,651.79, 8,473.09 and 4,880.94 is: 7,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.79 : 8,473.09 = 4,880.94 : x
  2. Step 2: Convert to fraction form
    5,651.79/8,473.09 = 4,880.94/x
  3. Step 3: Cross multiply
    5,651.79x = 8,473.09 × 4,880.94
  4. Step 4: Simplify right side
    5,651.79x = 41,356,643.90
  5. Step 5: Solve for x
    x = 41,356,643.90/5,651.79
  6. Step 6: Final answer
    x = 7,317.44

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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.