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Finding the Fourth Proportional to 16,899.22, 25,349.82 and 6,510.88

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Solution

The fourth proportional to 16,899.22, 25,349.82 and 6,510.88 is: 9,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.22 : 25,349.82 = 6,510.88 : x
  2. Step 2: Convert to fraction form
    16,899.22/25,349.82 = 6,510.88/x
  3. Step 3: Cross multiply
    16,899.22x = 25,349.82 × 6,510.88
  4. Step 4: Simplify right side
    16,899.22x = 165,049,636.04
  5. Step 5: Solve for x
    x = 165,049,636.04/16,899.22
  6. Step 6: Final answer
    x = 9,766.70

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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.