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Finding the Fourth Proportional to 29,601.96, 44,389.98 and 11,121

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Solution

The fourth proportional to 29,601.96, 44,389.98 and 11,121 is: 16,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,601.96 : 44,389.98 = 11,121 : x
  2. Step 2: Convert to fraction form
    29,601.96/44,389.98 = 11,121/x
  3. Step 3: Cross multiply
    29,601.96x = 44,389.98 × 11,121
  4. Step 4: Simplify right side
    29,601.96x = 493,660,967.58
  5. Step 5: Solve for x
    x = 493,660,967.58/29,601.96
  6. Step 6: Final answer
    x = 16,676.63

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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.