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Finding the Fourth Proportional to 4,843.86, 7,264.20 and 2,992.20

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Solution

The fourth proportional to 4,843.86, 7,264.20 and 2,992.20 is: 4,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.86 : 7,264.20 = 2,992.20 : x
  2. Step 2: Convert to fraction form
    4,843.86/7,264.20 = 2,992.20/x
  3. Step 3: Cross multiply
    4,843.86x = 7,264.20 × 2,992.20
  4. Step 4: Simplify right side
    4,843.86x = 21,735,939.24
  5. Step 5: Solve for x
    x = 21,735,939.24/4,843.86
  6. Step 6: Final answer
    x = 4,487.32

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1.5x scale

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.