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Finding the Fourth Proportional to 16,856.70, 25,263.45 and 8,072.70

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Solution

The fourth proportional to 16,856.70, 25,263.45 and 8,072.70 is: 12,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.70 : 25,263.45 = 8,072.70 : x
  2. Step 2: Convert to fraction form
    16,856.70/25,263.45 = 8,072.70/x
  3. Step 3: Cross multiply
    16,856.70x = 25,263.45 × 8,072.70
  4. Step 4: Simplify right side
    16,856.70x = 203,944,252.82
  5. Step 5: Solve for x
    x = 203,944,252.82/16,856.70
  6. Step 6: Final answer
    x = 12,098.71

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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.