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Finding the Fourth Proportional to 62,479.44, 86,223.76 and 35,625.92

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Solution

The fourth proportional to 62,479.44, 86,223.76 and 35,625.92 is: 49,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,479.44 : 86,223.76 = 35,625.92 : x
  2. Step 2: Convert to fraction form
    62,479.44/86,223.76 = 35,625.92/x
  3. Step 3: Cross multiply
    62,479.44x = 86,223.76 × 35,625.92
  4. Step 4: Simplify right side
    62,479.44x = 3,071,800,775.86
  5. Step 5: Solve for x
    x = 3,071,800,775.86/62,479.44
  6. Step 6: Final answer
    x = 49,164.99

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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.