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Finding the Fourth Proportional to 51,761.82, 71,443.83 and 48,259.74

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Solution

The fourth proportional to 51,761.82, 71,443.83 and 48,259.74 is: 66,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.82 : 71,443.83 = 48,259.74 : x
  2. Step 2: Convert to fraction form
    51,761.82/71,443.83 = 48,259.74/x
  3. Step 3: Cross multiply
    51,761.82x = 71,443.83 × 48,259.74
  4. Step 4: Simplify right side
    51,761.82x = 3,447,860,660.40
  5. Step 5: Solve for x
    x = 3,447,860,660.40/51,761.82
  6. Step 6: Final answer
    x = 66,610.11

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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.