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Finding the Fourth Proportional to 29,676.79, 40,953.90 and 16,248.04

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Solution

The fourth proportional to 29,676.79, 40,953.90 and 16,248.04 is: 22,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.79 : 40,953.90 = 16,248.04 : x
  2. Step 2: Convert to fraction form
    29,676.79/40,953.90 = 16,248.04/x
  3. Step 3: Cross multiply
    29,676.79x = 40,953.90 × 16,248.04
  4. Step 4: Simplify right side
    29,676.79x = 665,420,605.36
  5. Step 5: Solve for x
    x = 665,420,605.36/29,676.79
  6. Step 6: Final answer
    x = 22,422.26

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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.