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Finding the Fourth Proportional to 7,234.92, 9,986.02 and 4,092.92

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Solution

The fourth proportional to 7,234.92, 9,986.02 and 4,092.92 is: 5,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.92 : 9,986.02 = 4,092.92 : x
  2. Step 2: Convert to fraction form
    7,234.92/9,986.02 = 4,092.92/x
  3. Step 3: Cross multiply
    7,234.92x = 9,986.02 × 4,092.92
  4. Step 4: Simplify right side
    7,234.92x = 40,871,980.98
  5. Step 5: Solve for x
    x = 40,871,980.98/7,234.92
  6. Step 6: Final answer
    x = 5,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.