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Finding the Fourth Proportional to 30,358.67, 41,914.46 and 19,608.38

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Solution

The fourth proportional to 30,358.67, 41,914.46 and 19,608.38 is: 27,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.67 : 41,914.46 = 19,608.38 : x
  2. Step 2: Convert to fraction form
    30,358.67/41,914.46 = 19,608.38/x
  3. Step 3: Cross multiply
    30,358.67x = 41,914.46 × 19,608.38
  4. Step 4: Simplify right side
    30,358.67x = 821,874,655.80
  5. Step 5: Solve for x
    x = 821,874,655.80/30,358.67
  6. Step 6: Final answer
    x = 27,072.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.