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Finding the Fourth Proportional to 83,992.75, 115,912.43 and 46,269.43

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Solution

The fourth proportional to 83,992.75, 115,912.43 and 46,269.43 is: 63,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,992.75 : 115,912.43 = 46,269.43 : x
  2. Step 2: Convert to fraction form
    83,992.75/115,912.43 = 46,269.43/x
  3. Step 3: Cross multiply
    83,992.75x = 115,912.43 × 46,269.43
  4. Step 4: Simplify right side
    83,992.75x = 5,363,202,066.01
  5. Step 5: Solve for x
    x = 5,363,202,066.01/83,992.75
  6. Step 6: Final answer
    x = 63,853.15

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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.