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Finding the Fourth Proportional to 7,292.99, 10,939.61 and 2,295.24

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Solution

The fourth proportional to 7,292.99, 10,939.61 and 2,295.24 is: 3,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.99 : 10,939.61 = 2,295.24 : x
  2. Step 2: Convert to fraction form
    7,292.99/10,939.61 = 2,295.24/x
  3. Step 3: Cross multiply
    7,292.99x = 10,939.61 × 2,295.24
  4. Step 4: Simplify right side
    7,292.99x = 25,108,982.26
  5. Step 5: Solve for x
    x = 25,108,982.26/7,292.99
  6. Step 6: Final answer
    x = 3,442.89

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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.