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Finding the Fourth Proportional to 58,481.46, 87,701.49 and 19,031.22

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Solution

The fourth proportional to 58,481.46, 87,701.49 and 19,031.22 is: 28,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.46 : 87,701.49 = 19,031.22 : x
  2. Step 2: Convert to fraction form
    58,481.46/87,701.49 = 19,031.22/x
  3. Step 3: Cross multiply
    58,481.46x = 87,701.49 × 19,031.22
  4. Step 4: Simplify right side
    58,481.46x = 1,669,066,350.52
  5. Step 5: Solve for x
    x = 1,669,066,350.52/58,481.46
  6. Step 6: Final answer
    x = 28,540.09

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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.