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Finding the Fourth Proportional to 4,754.08, 7,129.04 and 2,255.98

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Solution

The fourth proportional to 4,754.08, 7,129.04 and 2,255.98 is: 3,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.08 : 7,129.04 = 2,255.98 : x
  2. Step 2: Convert to fraction form
    4,754.08/7,129.04 = 2,255.98/x
  3. Step 3: Cross multiply
    4,754.08x = 7,129.04 × 2,255.98
  4. Step 4: Simplify right side
    4,754.08x = 16,082,968.61
  5. Step 5: Solve for x
    x = 16,082,968.61/4,754.08
  6. Step 6: Final answer
    x = 3,382.98

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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.