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Finding the Fourth Proportional to 7,958.43, 12,012.44 and 7,958.43

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Solution

The fourth proportional to 7,958.43, 12,012.44 and 7,958.43 is: 12,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.43 : 12,012.44 = 7,958.43 : x
  2. Step 2: Convert to fraction form
    7,958.43/12,012.44 = 7,958.43/x
  3. Step 3: Cross multiply
    7,958.43x = 12,012.44 × 7,958.43
  4. Step 4: Simplify right side
    7,958.43x = 95,600,123.08
  5. Step 5: Solve for x
    x = 95,600,123.08/7,958.43
  6. Step 6: Final answer
    x = 12,012.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.