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Finding the Fourth Proportional to 60,780.80, 83,829.27 and 36,906.96

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Solution

The fourth proportional to 60,780.80, 83,829.27 and 36,906.96 is: 50,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,780.80 : 83,829.27 = 36,906.96 : x
  2. Step 2: Convert to fraction form
    60,780.80/83,829.27 = 36,906.96/x
  3. Step 3: Cross multiply
    60,780.80x = 83,829.27 × 36,906.96
  4. Step 4: Simplify right side
    60,780.80x = 3,093,883,514.72
  5. Step 5: Solve for x
    x = 3,093,883,514.72/60,780.80
  6. Step 6: Final answer
    x = 50,902.32

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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.