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Finding the Fourth Proportional to 8,516.64, 12,757.68 and 4,404

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Solution

The fourth proportional to 8,516.64, 12,757.68 and 4,404 is: 6,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.64 : 12,757.68 = 4,404 : x
  2. Step 2: Convert to fraction form
    8,516.64/12,757.68 = 4,404/x
  3. Step 3: Cross multiply
    8,516.64x = 12,757.68 × 4,404
  4. Step 4: Simplify right side
    8,516.64x = 56,184,822.72
  5. Step 5: Solve for x
    x = 56,184,822.72/8,516.64
  6. Step 6: Final answer
    x = 6,597.06

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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.