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Finding the Fourth Proportional to 12,958.96, 19,437.82 and 5,934.92

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Solution

The fourth proportional to 12,958.96, 19,437.82 and 5,934.92 is: 8,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.96 : 19,437.82 = 5,934.92 : x
  2. Step 2: Convert to fraction form
    12,958.96/19,437.82 = 5,934.92/x
  3. Step 3: Cross multiply
    12,958.96x = 19,437.82 × 5,934.92
  4. Step 4: Simplify right side
    12,958.96x = 115,361,906.67
  5. Step 5: Solve for x
    x = 115,361,906.67/12,958.96
  6. Step 6: Final answer
    x = 8,902.10

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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.