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Finding the Fourth Proportional to 79,687.92, 119,511.96 and 23,516.88

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Solution

The fourth proportional to 79,687.92, 119,511.96 and 23,516.88 is: 35,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,687.92 : 119,511.96 = 23,516.88 : x
  2. Step 2: Convert to fraction form
    79,687.92/119,511.96 = 23,516.88/x
  3. Step 3: Cross multiply
    79,687.92x = 119,511.96 × 23,516.88
  4. Step 4: Simplify right side
    79,687.92x = 2,810,548,421.88
  5. Step 5: Solve for x
    x = 2,810,548,421.88/79,687.92
  6. Step 6: Final answer
    x = 35,269.44

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1.5x scale

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.