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Finding the Fourth Proportional to 29,889.51, 44,817.53 and 13,861.86

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Solution

The fourth proportional to 29,889.51, 44,817.53 and 13,861.86 is: 20,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.51 : 44,817.53 = 13,861.86 : x
  2. Step 2: Convert to fraction form
    29,889.51/44,817.53 = 13,861.86/x
  3. Step 3: Cross multiply
    29,889.51x = 44,817.53 × 13,861.86
  4. Step 4: Simplify right side
    29,889.51x = 621,254,257.10
  5. Step 5: Solve for x
    x = 621,254,257.10/29,889.51
  6. Step 6: Final answer
    x = 20,785.03

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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.