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Finding the Fourth Proportional to 7,571.73, 11,359.48 and 7,446.16

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Solution

The fourth proportional to 7,571.73, 11,359.48 and 7,446.16 is: 11,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.73 : 11,359.48 = 7,446.16 : x
  2. Step 2: Convert to fraction form
    7,571.73/11,359.48 = 7,446.16/x
  3. Step 3: Cross multiply
    7,571.73x = 11,359.48 × 7,446.16
  4. Step 4: Simplify right side
    7,571.73x = 84,584,448.80
  5. Step 5: Solve for x
    x = 84,584,448.80/7,571.73
  6. Step 6: Final answer
    x = 11,171.09

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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.