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Finding the Fourth Proportional to 16,838.20, 25,235.70 and 8,054.20

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Solution

The fourth proportional to 16,838.20, 25,235.70 and 8,054.20 is: 12,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.20 : 25,235.70 = 8,054.20 : x
  2. Step 2: Convert to fraction form
    16,838.20/25,235.70 = 8,054.20/x
  3. Step 3: Cross multiply
    16,838.20x = 25,235.70 × 8,054.20
  4. Step 4: Simplify right side
    16,838.20x = 203,253,374.94
  5. Step 5: Solve for x
    x = 203,253,374.94/16,838.20
  6. Step 6: Final answer
    x = 12,070.97

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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.