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Finding the Fourth Proportional to 41,893.80, 62,766.90 and 22,128.81

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Solution

The fourth proportional to 41,893.80, 62,766.90 and 22,128.81 is: 33,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,893.80 : 62,766.90 = 22,128.81 : x
  2. Step 2: Convert to fraction form
    41,893.80/62,766.90 = 22,128.81/x
  3. Step 3: Cross multiply
    41,893.80x = 62,766.90 × 22,128.81
  4. Step 4: Simplify right side
    41,893.80x = 1,388,956,804.39
  5. Step 5: Solve for x
    x = 1,388,956,804.39/41,893.80
  6. Step 6: Final answer
    x = 33,154.23

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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.