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Finding the Fourth Proportional to 7,262.60, 10,897.50 and 2,879.96

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Solution

The fourth proportional to 7,262.60, 10,897.50 and 2,879.96 is: 4,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.60 : 10,897.50 = 2,879.96 : x
  2. Step 2: Convert to fraction form
    7,262.60/10,897.50 = 2,879.96/x
  3. Step 3: Cross multiply
    7,262.60x = 10,897.50 × 2,879.96
  4. Step 4: Simplify right side
    7,262.60x = 31,384,364.10
  5. Step 5: Solve for x
    x = 31,384,364.10/7,262.60
  6. Step 6: Final answer
    x = 4,321.37

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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.