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Finding the Fourth Proportional to 52,800.60, 79,244.10 and 51,072.60

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Solution

The fourth proportional to 52,800.60, 79,244.10 and 51,072.60 is: 76,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.60 : 79,244.10 = 51,072.60 : x
  2. Step 2: Convert to fraction form
    52,800.60/79,244.10 = 51,072.60/x
  3. Step 3: Cross multiply
    52,800.60x = 79,244.10 × 51,072.60
  4. Step 4: Simplify right side
    52,800.60x = 4,047,202,221.66
  5. Step 5: Solve for x
    x = 4,047,202,221.66/52,800.60
  6. Step 6: Final answer
    x = 76,650.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.