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Finding the Fourth Proportional to 58,478.54, 87,704.39 and 16,361.59

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Solution

The fourth proportional to 58,478.54, 87,704.39 and 16,361.59 is: 24,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,478.54 : 87,704.39 = 16,361.59 : x
  2. Step 2: Convert to fraction form
    58,478.54/87,704.39 = 16,361.59/x
  3. Step 3: Cross multiply
    58,478.54x = 87,704.39 × 16,361.59
  4. Step 4: Simplify right side
    58,478.54x = 1,434,983,188.57
  5. Step 5: Solve for x
    x = 1,434,983,188.57/58,478.54
  6. Step 6: Final answer
    x = 24,538.63

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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.