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Finding the Fourth Proportional to 49,649.61, 68,515.98 and 36,959.54

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Solution

The fourth proportional to 49,649.61, 68,515.98 and 36,959.54 is: 51,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.61 : 68,515.98 = 36,959.54 : x
  2. Step 2: Convert to fraction form
    49,649.61/68,515.98 = 36,959.54/x
  3. Step 3: Cross multiply
    49,649.61x = 68,515.98 × 36,959.54
  4. Step 4: Simplify right side
    49,649.61x = 2,532,319,007.67
  5. Step 5: Solve for x
    x = 2,532,319,007.67/49,649.61
  6. Step 6: Final answer
    x = 51,003.81

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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.