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Finding the Fourth Proportional to 29,700.21, 44,566.72 and 12,165.94

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Solution

The fourth proportional to 29,700.21, 44,566.72 and 12,165.94 is: 18,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.21 : 44,566.72 = 12,165.94 : x
  2. Step 2: Convert to fraction form
    29,700.21/44,566.72 = 12,165.94/x
  3. Step 3: Cross multiply
    29,700.21x = 44,566.72 × 12,165.94
  4. Step 4: Simplify right side
    29,700.21x = 542,195,899.69
  5. Step 5: Solve for x
    x = 542,195,899.69/29,700.21
  6. Step 6: Final answer
    x = 18,255.63

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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.