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Finding the Fourth Proportional to 51,679.81, 71,262.04 and 44,905.58

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Solution

The fourth proportional to 51,679.81, 71,262.04 and 44,905.58 is: 61,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679.81 : 71,262.04 = 44,905.58 : x
  2. Step 2: Convert to fraction form
    51,679.81/71,262.04 = 44,905.58/x
  3. Step 3: Cross multiply
    51,679.81x = 71,262.04 × 44,905.58
  4. Step 4: Simplify right side
    51,679.81x = 3,200,063,238.18
  5. Step 5: Solve for x
    x = 3,200,063,238.18/51,679.81
  6. Step 6: Final answer
    x = 61,920.96

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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.