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Finding the Fourth Proportional to 38,324.34, 57,452.40 and 14,945.40

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Solution

The fourth proportional to 38,324.34, 57,452.40 and 14,945.40 is: 22,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,324.34 : 57,452.40 = 14,945.40 : x
  2. Step 2: Convert to fraction form
    38,324.34/57,452.40 = 14,945.40/x
  3. Step 3: Cross multiply
    38,324.34x = 57,452.40 × 14,945.40
  4. Step 4: Simplify right side
    38,324.34x = 858,649,098.96
  5. Step 5: Solve for x
    x = 858,649,098.96/38,324.34
  6. Step 6: Final answer
    x = 22,404.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.