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Finding the Fourth Proportional to 16,779.97, 25,170.11 and 5,093.19

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Solution

The fourth proportional to 16,779.97, 25,170.11 and 5,093.19 is: 7,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.97 : 25,170.11 = 5,093.19 : x
  2. Step 2: Convert to fraction form
    16,779.97/25,170.11 = 5,093.19/x
  3. Step 3: Cross multiply
    16,779.97x = 25,170.11 × 5,093.19
  4. Step 4: Simplify right side
    16,779.97x = 128,196,152.55
  5. Step 5: Solve for x
    x = 128,196,152.55/16,779.97
  6. Step 6: Final answer
    x = 7,639.83

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1.5x scale

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.