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Finding the Fourth Proportional to 16,676.22, 25,009.11 and 5,580.32

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Solution

The fourth proportional to 16,676.22, 25,009.11 and 5,580.32 is: 8,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.22 : 25,009.11 = 5,580.32 : x
  2. Step 2: Convert to fraction form
    16,676.22/25,009.11 = 5,580.32/x
  3. Step 3: Cross multiply
    16,676.22x = 25,009.11 × 5,580.32
  4. Step 4: Simplify right side
    16,676.22x = 139,558,711.67
  5. Step 5: Solve for x
    x = 139,558,711.67/16,676.22
  6. Step 6: Final answer
    x = 8,368.73

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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.