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Finding the Fourth Proportional to 3,262.47, 4,894.61 and 1,072.73

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Solution

The fourth proportional to 3,262.47, 4,894.61 and 1,072.73 is: 1,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.47 : 4,894.61 = 1,072.73 : x
  2. Step 2: Convert to fraction form
    3,262.47/4,894.61 = 1,072.73/x
  3. Step 3: Cross multiply
    3,262.47x = 4,894.61 × 1,072.73
  4. Step 4: Simplify right side
    3,262.47x = 5,250,609.90
  5. Step 5: Solve for x
    x = 5,250,609.90/3,262.47
  6. Step 6: Final answer
    x = 1,609.40

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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.