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Finding the Fourth Proportional to 58,546.30, 87,819.09 and 19,103.44

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Solution

The fourth proportional to 58,546.30, 87,819.09 and 19,103.44 is: 28,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,546.30 : 87,819.09 = 19,103.44 : x
  2. Step 2: Convert to fraction form
    58,546.30/87,819.09 = 19,103.44/x
  3. Step 3: Cross multiply
    58,546.30x = 87,819.09 × 19,103.44
  4. Step 4: Simplify right side
    58,546.30x = 1,677,646,716.67
  5. Step 5: Solve for x
    x = 1,677,646,716.67/58,546.30
  6. Step 6: Final answer
    x = 28,655.04

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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.