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Finding the Fourth Proportional to 16,907.69, 25,345.85 and 8,027.19

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Solution

The fourth proportional to 16,907.69, 25,345.85 and 8,027.19 is: 12,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.69 : 25,345.85 = 8,027.19 : x
  2. Step 2: Convert to fraction form
    16,907.69/25,345.85 = 8,027.19/x
  3. Step 3: Cross multiply
    16,907.69x = 25,345.85 × 8,027.19
  4. Step 4: Simplify right side
    16,907.69x = 203,455,913.53
  5. Step 5: Solve for x
    x = 203,455,913.53/16,907.69
  6. Step 6: Final answer
    x = 12,033.33

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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.