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Finding the Fourth Proportional to 72,326.73, 108,505.59 and 36,792.99

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Solution

The fourth proportional to 72,326.73, 108,505.59 and 36,792.99 is: 55,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,326.73 : 108,505.59 = 36,792.99 : x
  2. Step 2: Convert to fraction form
    72,326.73/108,505.59 = 36,792.99/x
  3. Step 3: Cross multiply
    72,326.73x = 108,505.59 × 36,792.99
  4. Step 4: Simplify right side
    72,326.73x = 3,992,245,087.81
  5. Step 5: Solve for x
    x = 3,992,245,087.81/72,326.73
  6. Step 6: Final answer
    x = 55,197.37

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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.