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Finding the Fourth Proportional to 16,893.17, 25,302.85 and 8,558.88

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Solution

The fourth proportional to 16,893.17, 25,302.85 and 8,558.88 is: 12,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.17 : 25,302.85 = 8,558.88 : x
  2. Step 2: Convert to fraction form
    16,893.17/25,302.85 = 8,558.88/x
  3. Step 3: Cross multiply
    16,893.17x = 25,302.85 × 8,558.88
  4. Step 4: Simplify right side
    16,893.17x = 216,564,082.85
  5. Step 5: Solve for x
    x = 216,564,082.85/16,893.17
  6. Step 6: Final answer
    x = 12,819.62

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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.