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Finding the Fourth Proportional to 12,793.93, 19,196.66 and 6,941.77

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Solution

The fourth proportional to 12,793.93, 19,196.66 and 6,941.77 is: 10,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.93 : 19,196.66 = 6,941.77 : x
  2. Step 2: Convert to fraction form
    12,793.93/19,196.66 = 6,941.77/x
  3. Step 3: Cross multiply
    12,793.93x = 19,196.66 × 6,941.77
  4. Step 4: Simplify right side
    12,793.93x = 133,258,763.78
  5. Step 5: Solve for x
    x = 133,258,763.78/12,793.93
  6. Step 6: Final answer
    x = 10,415.78

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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.