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Finding the Fourth Proportional to 63,721.47, 95,576.02 and 19,348.61

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Solution

The fourth proportional to 63,721.47, 95,576.02 and 19,348.61 is: 29,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.47 : 95,576.02 = 19,348.61 : x
  2. Step 2: Convert to fraction form
    63,721.47/95,576.02 = 19,348.61/x
  3. Step 3: Cross multiply
    63,721.47x = 95,576.02 × 19,348.61
  4. Step 4: Simplify right side
    63,721.47x = 1,849,262,610.08
  5. Step 5: Solve for x
    x = 1,849,262,610.08/63,721.47
  6. Step 6: Final answer
    x = 29,021.03

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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.