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Finding the Fourth Proportional to 26,573.60, 39,892.80 and 26,379.20

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Solution

The fourth proportional to 26,573.60, 39,892.80 and 26,379.20 is: 39,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,573.60 : 39,892.80 = 26,379.20 : x
  2. Step 2: Convert to fraction form
    26,573.60/39,892.80 = 26,379.20/x
  3. Step 3: Cross multiply
    26,573.60x = 39,892.80 × 26,379.20
  4. Step 4: Simplify right side
    26,573.60x = 1,052,340,149.76
  5. Step 5: Solve for x
    x = 1,052,340,149.76/26,573.60
  6. Step 6: Final answer
    x = 39,600.96

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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.