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Finding the Fourth Proportional to 11,972.03, 17,958.65 and 4,473.92

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Solution

The fourth proportional to 11,972.03, 17,958.65 and 4,473.92 is: 6,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.03 : 17,958.65 = 4,473.92 : x
  2. Step 2: Convert to fraction form
    11,972.03/17,958.65 = 4,473.92/x
  3. Step 3: Cross multiply
    11,972.03x = 17,958.65 × 4,473.92
  4. Step 4: Simplify right side
    11,972.03x = 80,345,585.94
  5. Step 5: Solve for x
    x = 80,345,585.94/11,972.03
  6. Step 6: Final answer
    x = 6,711.11

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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.