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Finding the Fourth Proportional to 29,402.52, 40,579.02 and 16,827

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Solution

The fourth proportional to 29,402.52, 40,579.02 and 16,827 is: 23,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.52 : 40,579.02 = 16,827 : x
  2. Step 2: Convert to fraction form
    29,402.52/40,579.02 = 16,827/x
  3. Step 3: Cross multiply
    29,402.52x = 40,579.02 × 16,827
  4. Step 4: Simplify right side
    29,402.52x = 682,823,169.54
  5. Step 5: Solve for x
    x = 682,823,169.54/29,402.52
  6. Step 6: Final answer
    x = 23,223.29

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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.