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Finding the Fourth Proportional to 24,174.70, 33,360.70 and 13,419.56

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Solution

The fourth proportional to 24,174.70, 33,360.70 and 13,419.56 is: 18,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,174.70 : 33,360.70 = 13,419.56 : x
  2. Step 2: Convert to fraction form
    24,174.70/33,360.70 = 13,419.56/x
  3. Step 3: Cross multiply
    24,174.70x = 33,360.70 × 13,419.56
  4. Step 4: Simplify right side
    24,174.70x = 447,685,915.29
  5. Step 5: Solve for x
    x = 447,685,915.29/24,174.70
  6. Step 6: Final answer
    x = 18,518.78

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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.