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Finding the Fourth Proportional to 12,473.70, 17,213.67 and 6,884.70

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Solution

The fourth proportional to 12,473.70, 17,213.67 and 6,884.70 is: 9,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.70 : 17,213.67 = 6,884.70 : x
  2. Step 2: Convert to fraction form
    12,473.70/17,213.67 = 6,884.70/x
  3. Step 3: Cross multiply
    12,473.70x = 17,213.67 × 6,884.70
  4. Step 4: Simplify right side
    12,473.70x = 118,510,953.85
  5. Step 5: Solve for x
    x = 118,510,953.85/12,473.70
  6. Step 6: Final answer
    x = 9,500.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.