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Finding the Fourth Proportional to 38,406.76, 57,610.52 and 10,704.76

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Solution

The fourth proportional to 38,406.76, 57,610.52 and 10,704.76 is: 16,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.76 : 57,610.52 = 10,704.76 : x
  2. Step 2: Convert to fraction form
    38,406.76/57,610.52 = 10,704.76/x
  3. Step 3: Cross multiply
    38,406.76x = 57,610.52 × 10,704.76
  4. Step 4: Simplify right side
    38,406.76x = 616,706,790.08
  5. Step 5: Solve for x
    x = 616,706,790.08/38,406.76
  6. Step 6: Final answer
    x = 16,057.25

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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.