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Finding the Fourth Proportional to 38,406.52, 57,609.51 and 10,704.52

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Solution

The fourth proportional to 38,406.52, 57,609.51 and 10,704.52 is: 16,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.52 : 57,609.51 = 10,704.52 : x
  2. Step 2: Convert to fraction form
    38,406.52/57,609.51 = 10,704.52/x
  3. Step 3: Cross multiply
    38,406.52x = 57,609.51 × 10,704.52
  4. Step 4: Simplify right side
    38,406.52x = 616,682,151.99
  5. Step 5: Solve for x
    x = 616,682,151.99/38,406.52
  6. Step 6: Final answer
    x = 16,056.70

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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.