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Finding the Fourth Proportional to 28,676.25, 39,573.36 and 16,101

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Solution

The fourth proportional to 28,676.25, 39,573.36 and 16,101 is: 22,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.25 : 39,573.36 = 16,101 : x
  2. Step 2: Convert to fraction form
    28,676.25/39,573.36 = 16,101/x
  3. Step 3: Cross multiply
    28,676.25x = 39,573.36 × 16,101
  4. Step 4: Simplify right side
    28,676.25x = 637,170,669.36
  5. Step 5: Solve for x
    x = 637,170,669.36/28,676.25
  6. Step 6: Final answer
    x = 22,219.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.