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Finding the Fourth Proportional to 29,992.64, 44,979.24 and 14,195.24

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Solution

The fourth proportional to 29,992.64, 44,979.24 and 14,195.24 is: 21,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.64 : 44,979.24 = 14,195.24 : x
  2. Step 2: Convert to fraction form
    29,992.64/44,979.24 = 14,195.24/x
  3. Step 3: Cross multiply
    29,992.64x = 44,979.24 × 14,195.24
  4. Step 4: Simplify right side
    29,992.64x = 638,491,106.82
  5. Step 5: Solve for x
    x = 638,491,106.82/29,992.64
  6. Step 6: Final answer
    x = 21,288.26

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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.