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Finding the Fourth Proportional to 12,023, 16,626.30 and 11,472.92

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Solution

The fourth proportional to 12,023, 16,626.30 and 11,472.92 is: 15,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023 : 16,626.30 = 11,472.92 : x
  2. Step 2: Convert to fraction form
    12,023/16,626.30 = 11,472.92/x
  3. Step 3: Cross multiply
    12,023x = 16,626.30 × 11,472.92
  4. Step 4: Simplify right side
    12,023x = 190,752,209.80
  5. Step 5: Solve for x
    x = 190,752,209.80/12,023
  6. Step 6: Final answer
    x = 15,865.61

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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.