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Finding the Fourth Proportional to 41,999, 57,958.80 and 23,135.72

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Solution

The fourth proportional to 41,999, 57,958.80 and 23,135.72 is: 31,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999 : 57,958.80 = 23,135.72 : x
  2. Step 2: Convert to fraction form
    41,999/57,958.80 = 23,135.72/x
  3. Step 3: Cross multiply
    41,999x = 57,958.80 × 23,135.72
  4. Step 4: Simplify right side
    41,999x = 1,340,918,568.34
  5. Step 5: Solve for x
    x = 1,340,918,568.34/41,999
  6. Step 6: Final answer
    x = 31,927.39

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Double scale
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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.