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Finding the Fourth Proportional to 83,622.87, 125,438.45 and 33,696.29

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Solution

The fourth proportional to 83,622.87, 125,438.45 and 33,696.29 is: 50,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,622.87 : 125,438.45 = 33,696.29 : x
  2. Step 2: Convert to fraction form
    83,622.87/125,438.45 = 33,696.29/x
  3. Step 3: Cross multiply
    83,622.87x = 125,438.45 × 33,696.29
  4. Step 4: Simplify right side
    83,622.87x = 4,226,809,592.68
  5. Step 5: Solve for x
    x = 4,226,809,592.68/83,622.87
  6. Step 6: Final answer
    x = 50,546.10

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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.