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Finding the Fourth Proportional to 19,491.67, 29,234.26 and 7,009.17

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Solution

The fourth proportional to 19,491.67, 29,234.26 and 7,009.17 is: 10,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.67 : 29,234.26 = 7,009.17 : x
  2. Step 2: Convert to fraction form
    19,491.67/29,234.26 = 7,009.17/x
  3. Step 3: Cross multiply
    19,491.67x = 29,234.26 × 7,009.17
  4. Step 4: Simplify right side
    19,491.67x = 204,907,898.16
  5. Step 5: Solve for x
    x = 204,907,898.16/19,491.67
  6. Step 6: Final answer
    x = 10,512.59

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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.