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Finding the Fourth Proportional to 20,594.77, 30,894.56 and 7,453.33

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Solution

The fourth proportional to 20,594.77, 30,894.56 and 7,453.33 is: 11,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.77 : 30,894.56 = 7,453.33 : x
  2. Step 2: Convert to fraction form
    20,594.77/30,894.56 = 7,453.33/x
  3. Step 3: Cross multiply
    20,594.77x = 30,894.56 × 7,453.33
  4. Step 4: Simplify right side
    20,594.77x = 230,267,313.62
  5. Step 5: Solve for x
    x = 230,267,313.62/20,594.77
  6. Step 6: Final answer
    x = 11,180.86

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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.