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Finding the Fourth Proportional to 34,789.50, 52,192.89 and 10,165.50

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Solution

The fourth proportional to 34,789.50, 52,192.89 and 10,165.50 is: 15,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789.50 : 52,192.89 = 10,165.50 : x
  2. Step 2: Convert to fraction form
    34,789.50/52,192.89 = 10,165.50/x
  3. Step 3: Cross multiply
    34,789.50x = 52,192.89 × 10,165.50
  4. Step 4: Simplify right side
    34,789.50x = 530,566,823.30
  5. Step 5: Solve for x
    x = 530,566,823.30/34,789.50
  6. Step 6: Final answer
    x = 15,250.77

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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.