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Finding the Fourth Proportional to 4,882.98, 6,738.52 and 2,644.86

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Solution

The fourth proportional to 4,882.98, 6,738.52 and 2,644.86 is: 3,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.98 : 6,738.52 = 2,644.86 : x
  2. Step 2: Convert to fraction form
    4,882.98/6,738.52 = 2,644.86/x
  3. Step 3: Cross multiply
    4,882.98x = 6,738.52 × 2,644.86
  4. Step 4: Simplify right side
    4,882.98x = 17,822,442.01
  5. Step 5: Solve for x
    x = 17,822,442.01/4,882.98
  6. Step 6: Final answer
    x = 3,649.91

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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.