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Finding the Fourth Proportional to 7,292.52, 10,939.12 and 2,362.54

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Solution

The fourth proportional to 7,292.52, 10,939.12 and 2,362.54 is: 3,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.52 : 10,939.12 = 2,362.54 : x
  2. Step 2: Convert to fraction form
    7,292.52/10,939.12 = 2,362.54/x
  3. Step 3: Cross multiply
    7,292.52x = 10,939.12 × 2,362.54
  4. Step 4: Simplify right side
    7,292.52x = 25,844,108.56
  5. Step 5: Solve for x
    x = 25,844,108.56/7,292.52
  6. Step 6: Final answer
    x = 3,543.92

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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.