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Finding the Fourth Proportional to 60,081.54, 82,914.71 and 38,860.80

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Solution

The fourth proportional to 60,081.54, 82,914.71 and 38,860.80 is: 53,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,081.54 : 82,914.71 = 38,860.80 : x
  2. Step 2: Convert to fraction form
    60,081.54/82,914.71 = 38,860.80/x
  3. Step 3: Cross multiply
    60,081.54x = 82,914.71 × 38,860.80
  4. Step 4: Simplify right side
    60,081.54x = 3,222,131,768.06
  5. Step 5: Solve for x
    x = 3,222,131,768.06/60,081.54
  6. Step 6: Final answer
    x = 53,629.31

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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.