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Finding the Fourth Proportional to 58,072.36, 87,122.96 and 16,519

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Solution

The fourth proportional to 58,072.36, 87,122.96 and 16,519 is: 24,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,072.36 : 87,122.96 = 16,519 : x
  2. Step 2: Convert to fraction form
    58,072.36/87,122.96 = 16,519/x
  3. Step 3: Cross multiply
    58,072.36x = 87,122.96 × 16,519
  4. Step 4: Simplify right side
    58,072.36x = 1,439,184,176.24
  5. Step 5: Solve for x
    x = 1,439,184,176.24/58,072.36
  6. Step 6: Final answer
    x = 24,782.60

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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.