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Finding the Fourth Proportional to 4,753.01, 7,129.64 and 2,253.61

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Solution

The fourth proportional to 4,753.01, 7,129.64 and 2,253.61 is: 3,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.01 : 7,129.64 = 2,253.61 : x
  2. Step 2: Convert to fraction form
    4,753.01/7,129.64 = 2,253.61/x
  3. Step 3: Cross multiply
    4,753.01x = 7,129.64 × 2,253.61
  4. Step 4: Simplify right side
    4,753.01x = 16,067,428.00
  5. Step 5: Solve for x
    x = 16,067,428.00/4,753.01
  6. Step 6: Final answer
    x = 3,380.47

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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.