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Finding the Fourth Proportional to 16,779.68, 25,169.60 and 5,093

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Solution

The fourth proportional to 16,779.68, 25,169.60 and 5,093 is: 7,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.68 : 25,169.60 = 5,093 : x
  2. Step 2: Convert to fraction form
    16,779.68/25,169.60 = 5,093/x
  3. Step 3: Cross multiply
    16,779.68x = 25,169.60 × 5,093
  4. Step 4: Simplify right side
    16,779.68x = 128,188,772.80
  5. Step 5: Solve for x
    x = 128,188,772.80/16,779.68
  6. Step 6: Final answer
    x = 7,639.52

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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.