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Finding the Fourth Proportional to 16,774.16, 25,149.04 and 6,909.96

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Solution

The fourth proportional to 16,774.16, 25,149.04 and 6,909.96 is: 10,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.16 : 25,149.04 = 6,909.96 : x
  2. Step 2: Convert to fraction form
    16,774.16/25,149.04 = 6,909.96/x
  3. Step 3: Cross multiply
    16,774.16x = 25,149.04 × 6,909.96
  4. Step 4: Simplify right side
    16,774.16x = 173,778,860.44
  5. Step 5: Solve for x
    x = 173,778,860.44/16,774.16
  6. Step 6: Final answer
    x = 10,359.91

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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.