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Finding the Fourth Proportional to 57,859.86, 79,842.85 and 32,361.81

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Solution

The fourth proportional to 57,859.86, 79,842.85 and 32,361.81 is: 44,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,859.86 : 79,842.85 = 32,361.81 : x
  2. Step 2: Convert to fraction form
    57,859.86/79,842.85 = 32,361.81/x
  3. Step 3: Cross multiply
    57,859.86x = 79,842.85 × 32,361.81
  4. Step 4: Simplify right side
    57,859.86x = 2,583,859,141.56
  5. Step 5: Solve for x
    x = 2,583,859,141.56/57,859.86
  6. Step 6: Final answer
    x = 44,657.20

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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.