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Finding the Fourth Proportional to 83,794.69, 125,783.12 and 33,909.13

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Solution

The fourth proportional to 83,794.69, 125,783.12 and 33,909.13 is: 50,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,794.69 : 125,783.12 = 33,909.13 : x
  2. Step 2: Convert to fraction form
    83,794.69/125,783.12 = 33,909.13/x
  3. Step 3: Cross multiply
    83,794.69x = 125,783.12 × 33,909.13
  4. Step 4: Simplify right side
    83,794.69x = 4,265,195,998.34
  5. Step 5: Solve for x
    x = 4,265,195,998.34/83,794.69
  6. Step 6: Final answer
    x = 50,900.55

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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.