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Finding the Fourth Proportional to 83,847.94, 115,711.66 and 45,608.34

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Solution

The fourth proportional to 83,847.94, 115,711.66 and 45,608.34 is: 62,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,847.94 : 115,711.66 = 45,608.34 : x
  2. Step 2: Convert to fraction form
    83,847.94/115,711.66 = 45,608.34/x
  3. Step 3: Cross multiply
    83,847.94x = 115,711.66 × 45,608.34
  4. Step 4: Simplify right side
    83,847.94x = 5,277,416,731.24
  5. Step 5: Solve for x
    x = 5,277,416,731.24/83,847.94
  6. Step 6: Final answer
    x = 62,940.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.