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Finding the Fourth Proportional to 16,893.20, 25,339.79 and 4,581.20

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Solution

The fourth proportional to 16,893.20, 25,339.79 and 4,581.20 is: 6,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.20 : 25,339.79 = 4,581.20 : x
  2. Step 2: Convert to fraction form
    16,893.20/25,339.79 = 4,581.20/x
  3. Step 3: Cross multiply
    16,893.20x = 25,339.79 × 4,581.20
  4. Step 4: Simplify right side
    16,893.20x = 116,086,496.34
  5. Step 5: Solve for x
    x = 116,086,496.34/16,893.20
  6. Step 6: Final answer
    x = 6,871.79

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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.