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Finding the Fourth Proportional to 17,229, 23,764.68 and 12,440.97

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Solution

The fourth proportional to 17,229, 23,764.68 and 12,440.97 is: 17,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,229 : 23,764.68 = 12,440.97 : x
  2. Step 2: Convert to fraction form
    17,229/23,764.68 = 12,440.97/x
  3. Step 3: Cross multiply
    17,229x = 23,764.68 × 12,440.97
  4. Step 4: Simplify right side
    17,229x = 295,655,670.94
  5. Step 5: Solve for x
    x = 295,655,670.94/17,229
  6. Step 6: Final answer
    x = 17,160.35

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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.