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Finding the Fourth Proportional to 8,516.98, 12,762.44 and 3,583.92

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Solution

The fourth proportional to 8,516.98, 12,762.44 and 3,583.92 is: 5,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.98 : 12,762.44 = 3,583.92 : x
  2. Step 2: Convert to fraction form
    8,516.98/12,762.44 = 3,583.92/x
  3. Step 3: Cross multiply
    8,516.98x = 12,762.44 × 3,583.92
  4. Step 4: Simplify right side
    8,516.98x = 45,739,563.96
  5. Step 5: Solve for x
    x = 45,739,563.96/8,516.98
  6. Step 6: Final answer
    x = 5,370.40

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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.