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Finding the Fourth Proportional to 12,759.80, 19,234.34 and 11,652.44

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Solution

The fourth proportional to 12,759.80, 19,234.34 and 11,652.44 is: 17,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.80 : 19,234.34 = 11,652.44 : x
  2. Step 2: Convert to fraction form
    12,759.80/19,234.34 = 11,652.44/x
  3. Step 3: Cross multiply
    12,759.80x = 19,234.34 × 11,652.44
  4. Step 4: Simplify right side
    12,759.80x = 224,126,992.79
  5. Step 5: Solve for x
    x = 224,126,992.79/12,759.80
  6. Step 6: Final answer
    x = 17,565.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.