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Finding the Fourth Proportional to 16,764.06, 25,149.18 and 5,520.06

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Solution

The fourth proportional to 16,764.06, 25,149.18 and 5,520.06 is: 8,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.06 : 25,149.18 = 5,520.06 : x
  2. Step 2: Convert to fraction form
    16,764.06/25,149.18 = 5,520.06/x
  3. Step 3: Cross multiply
    16,764.06x = 25,149.18 × 5,520.06
  4. Step 4: Simplify right side
    16,764.06x = 138,824,982.55
  5. Step 5: Solve for x
    x = 138,824,982.55/16,764.06
  6. Step 6: Final answer
    x = 8,281.11

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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.