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Finding the Fourth Proportional to 29,676.88, 40,952.84 and 16,247.89

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Solution

The fourth proportional to 29,676.88, 40,952.84 and 16,247.89 is: 22,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.88 : 40,952.84 = 16,247.89 : x
  2. Step 2: Convert to fraction form
    29,676.88/40,952.84 = 16,247.89/x
  3. Step 3: Cross multiply
    29,676.88x = 40,952.84 × 16,247.89
  4. Step 4: Simplify right side
    29,676.88x = 665,397,300.85
  5. Step 5: Solve for x
    x = 665,397,300.85/29,676.88
  6. Step 6: Final answer
    x = 22,421.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.