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Finding the Fourth Proportional to 41,640.44, 62,431.44 and 15,341.80

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Solution

The fourth proportional to 41,640.44, 62,431.44 and 15,341.80 is: 23,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,640.44 : 62,431.44 = 15,341.80 : x
  2. Step 2: Convert to fraction form
    41,640.44/62,431.44 = 15,341.80/x
  3. Step 3: Cross multiply
    41,640.44x = 62,431.44 × 15,341.80
  4. Step 4: Simplify right side
    41,640.44x = 957,810,666.19
  5. Step 5: Solve for x
    x = 957,810,666.19/41,640.44
  6. Step 6: Final answer
    x = 23,001.93

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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.