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Finding the Fourth Proportional to 17,816.67, 26,735.67 and 7,141.14

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Solution

The fourth proportional to 17,816.67, 26,735.67 and 7,141.14 is: 10,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.67 : 26,735.67 = 7,141.14 : x
  2. Step 2: Convert to fraction form
    17,816.67/26,735.67 = 7,141.14/x
  3. Step 3: Cross multiply
    17,816.67x = 26,735.67 × 7,141.14
  4. Step 4: Simplify right side
    17,816.67x = 190,923,162.46
  5. Step 5: Solve for x
    x = 190,923,162.46/17,816.67
  6. Step 6: Final answer
    x = 10,715.98

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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.