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Finding the Fourth Proportional to 16,874.10, 25,289.10 and 7,516.98

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Solution

The fourth proportional to 16,874.10, 25,289.10 and 7,516.98 is: 11,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.10 : 25,289.10 = 7,516.98 : x
  2. Step 2: Convert to fraction form
    16,874.10/25,289.10 = 7,516.98/x
  3. Step 3: Cross multiply
    16,874.10x = 25,289.10 × 7,516.98
  4. Step 4: Simplify right side
    16,874.10x = 190,097,658.92
  5. Step 5: Solve for x
    x = 190,097,658.92/16,874.10
  6. Step 6: Final answer
    x = 11,265.65

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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.