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Finding the Fourth Proportional to 17,078.14, 25,418.07 and 16,913.98

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Solution

The fourth proportional to 17,078.14, 25,418.07 and 16,913.98 is: 25,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.14 : 25,418.07 = 16,913.98 : x
  2. Step 2: Convert to fraction form
    17,078.14/25,418.07 = 16,913.98/x
  3. Step 3: Cross multiply
    17,078.14x = 25,418.07 × 16,913.98
  4. Step 4: Simplify right side
    17,078.14x = 429,920,727.62
  5. Step 5: Solve for x
    x = 429,920,727.62/17,078.14
  6. Step 6: Final answer
    x = 25,173.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.