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Finding the Fourth Proportional to 6,250.46, 8,621.65 and 4,755.11

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Solution

The fourth proportional to 6,250.46, 8,621.65 and 4,755.11 is: 6,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.46 : 8,621.65 = 4,755.11 : x
  2. Step 2: Convert to fraction form
    6,250.46/8,621.65 = 4,755.11/x
  3. Step 3: Cross multiply
    6,250.46x = 8,621.65 × 4,755.11
  4. Step 4: Simplify right side
    6,250.46x = 40,996,856.97
  5. Step 5: Solve for x
    x = 40,996,856.97/6,250.46
  6. Step 6: Final answer
    x = 6,559.02

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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.