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Finding the Fourth Proportional to 14,652.88, 21,974.68 and 4,789.88

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Solution

The fourth proportional to 14,652.88, 21,974.68 and 4,789.88 is: 7,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.88 : 21,974.68 = 4,789.88 : x
  2. Step 2: Convert to fraction form
    14,652.88/21,974.68 = 4,789.88/x
  3. Step 3: Cross multiply
    14,652.88x = 21,974.68 × 4,789.88
  4. Step 4: Simplify right side
    14,652.88x = 105,256,080.24
  5. Step 5: Solve for x
    x = 105,256,080.24/14,652.88
  6. Step 6: Final answer
    x = 7,183.30

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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.