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Finding the Fourth Proportional to 8,265.92, 12,404.40 and 3,072.32

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Solution

The fourth proportional to 8,265.92, 12,404.40 and 3,072.32 is: 4,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.92 : 12,404.40 = 3,072.32 : x
  2. Step 2: Convert to fraction form
    8,265.92/12,404.40 = 3,072.32/x
  3. Step 3: Cross multiply
    8,265.92x = 12,404.40 × 3,072.32
  4. Step 4: Simplify right side
    8,265.92x = 38,110,286.21
  5. Step 5: Solve for x
    x = 38,110,286.21/8,265.92
  6. Step 6: Final answer
    x = 4,610.53

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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.