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Finding the Fourth Proportional to 12,046.70, 16,623.82 and 6,668.84

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Solution

The fourth proportional to 12,046.70, 16,623.82 and 6,668.84 is: 9,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.70 : 16,623.82 = 6,668.84 : x
  2. Step 2: Convert to fraction form
    12,046.70/16,623.82 = 6,668.84/x
  3. Step 3: Cross multiply
    12,046.70x = 16,623.82 × 6,668.84
  4. Step 4: Simplify right side
    12,046.70x = 110,861,595.77
  5. Step 5: Solve for x
    x = 110,861,595.77/12,046.70
  6. Step 6: Final answer
    x = 9,202.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.