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Finding the Fourth Proportional to 7,255.91, 10,884.91 and 2,754.63

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Solution

The fourth proportional to 7,255.91, 10,884.91 and 2,754.63 is: 4,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.91 : 10,884.91 = 2,754.63 : x
  2. Step 2: Convert to fraction form
    7,255.91/10,884.91 = 2,754.63/x
  3. Step 3: Cross multiply
    7,255.91x = 10,884.91 × 2,754.63
  4. Step 4: Simplify right side
    7,255.91x = 29,983,885.86
  5. Step 5: Solve for x
    x = 29,983,885.86/7,255.91
  6. Step 6: Final answer
    x = 4,132.34

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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.