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Finding the Fourth Proportional to 5,477.96, 8,192.54 and 4,865.64

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Solution

The fourth proportional to 5,477.96, 8,192.54 and 4,865.64 is: 7,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.96 : 8,192.54 = 4,865.64 : x
  2. Step 2: Convert to fraction form
    5,477.96/8,192.54 = 4,865.64/x
  3. Step 3: Cross multiply
    5,477.96x = 8,192.54 × 4,865.64
  4. Step 4: Simplify right side
    5,477.96x = 39,861,950.33
  5. Step 5: Solve for x
    x = 39,861,950.33/5,477.96
  6. Step 6: Final answer
    x = 7,276.79

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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.