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Finding the Fourth Proportional to 55,738.86, 76,954.50 and 38,738.04

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Solution

The fourth proportional to 55,738.86, 76,954.50 and 38,738.04 is: 53,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.86 : 76,954.50 = 38,738.04 : x
  2. Step 2: Convert to fraction form
    55,738.86/76,954.50 = 38,738.04/x
  3. Step 3: Cross multiply
    55,738.86x = 76,954.50 × 38,738.04
  4. Step 4: Simplify right side
    55,738.86x = 2,981,066,499.18
  5. Step 5: Solve for x
    x = 2,981,066,499.18/55,738.86
  6. Step 6: Final answer
    x = 53,482.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.