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Finding the Fourth Proportional to 29,337, 40,485.12 and 16,761.72

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Solution

The fourth proportional to 29,337, 40,485.12 and 16,761.72 is: 23,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,337 : 40,485.12 = 16,761.72 : x
  2. Step 2: Convert to fraction form
    29,337/40,485.12 = 16,761.72/x
  3. Step 3: Cross multiply
    29,337x = 40,485.12 × 16,761.72
  4. Step 4: Simplify right side
    29,337x = 678,600,245.61
  5. Step 5: Solve for x
    x = 678,600,245.61/29,337
  6. Step 6: Final answer
    x = 23,131.21

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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.