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Finding the Fourth Proportional to 30,793.70, 46,190.55 and 11,072.90

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Solution

The fourth proportional to 30,793.70, 46,190.55 and 11,072.90 is: 16,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.70 : 46,190.55 = 11,072.90 : x
  2. Step 2: Convert to fraction form
    30,793.70/46,190.55 = 11,072.90/x
  3. Step 3: Cross multiply
    30,793.70x = 46,190.55 × 11,072.90
  4. Step 4: Simplify right side
    30,793.70x = 511,463,341.10
  5. Step 5: Solve for x
    x = 511,463,341.10/30,793.70
  6. Step 6: Final answer
    x = 16,609.35

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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.