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Finding the Fourth Proportional to 7,793.33, 11,689.98 and 1,949.93

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Solution

The fourth proportional to 7,793.33, 11,689.98 and 1,949.93 is: 2,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.33 : 11,689.98 = 1,949.93 : x
  2. Step 2: Convert to fraction form
    7,793.33/11,689.98 = 1,949.93/x
  3. Step 3: Cross multiply
    7,793.33x = 11,689.98 × 1,949.93
  4. Step 4: Simplify right side
    7,793.33x = 22,794,671.93
  5. Step 5: Solve for x
    x = 22,794,671.93/7,793.33
  6. Step 6: Final answer
    x = 2,924.90

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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.