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Finding the Fourth Proportional to 58,491.72, 87,738.26 and 16,369.29

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Solution

The fourth proportional to 58,491.72, 87,738.26 and 16,369.29 is: 24,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,491.72 : 87,738.26 = 16,369.29 : x
  2. Step 2: Convert to fraction form
    58,491.72/87,738.26 = 16,369.29/x
  3. Step 3: Cross multiply
    58,491.72x = 87,738.26 × 16,369.29
  4. Step 4: Simplify right side
    58,491.72x = 1,436,212,940.19
  5. Step 5: Solve for x
    x = 1,436,212,940.19/58,491.72
  6. Step 6: Final answer
    x = 24,554.12

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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.