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Finding the Fourth Proportional to 16,805.63, 25,212.60 and 6,947.73

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Solution

The fourth proportional to 16,805.63, 25,212.60 and 6,947.73 is: 10,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.63 : 25,212.60 = 6,947.73 : x
  2. Step 2: Convert to fraction form
    16,805.63/25,212.60 = 6,947.73/x
  3. Step 3: Cross multiply
    16,805.63x = 25,212.60 × 6,947.73
  4. Step 4: Simplify right side
    16,805.63x = 175,170,337.40
  5. Step 5: Solve for x
    x = 175,170,337.40/16,805.63
  6. Step 6: Final answer
    x = 10,423.31

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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.