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Finding the Fourth Proportional to 63,063.02, 86,936.54 and 49,610.91

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Solution

The fourth proportional to 63,063.02, 86,936.54 and 49,610.91 is: 68,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,063.02 : 86,936.54 = 49,610.91 : x
  2. Step 2: Convert to fraction form
    63,063.02/86,936.54 = 49,610.91/x
  3. Step 3: Cross multiply
    63,063.02x = 86,936.54 × 49,610.91
  4. Step 4: Simplify right side
    63,063.02x = 4,313,001,218.67
  5. Step 5: Solve for x
    x = 4,313,001,218.67/63,063.02
  6. Step 6: Final answer
    x = 68,391.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.