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Finding the Fourth Proportional to 51,750.60, 71,443.02 and 34,843.74

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Solution

The fourth proportional to 51,750.60, 71,443.02 and 34,843.74 is: 48,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,750.60 : 71,443.02 = 34,843.74 : x
  2. Step 2: Convert to fraction form
    51,750.60/71,443.02 = 34,843.74/x
  3. Step 3: Cross multiply
    51,750.60x = 71,443.02 × 34,843.74
  4. Step 4: Simplify right side
    51,750.60x = 2,489,342,013.69
  5. Step 5: Solve for x
    x = 2,489,342,013.69/51,750.60
  6. Step 6: Final answer
    x = 48,102.67

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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.