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Finding the Fourth Proportional to 45,379.42, 68,083 and 23,208.38

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Solution

The fourth proportional to 45,379.42, 68,083 and 23,208.38 is: 34,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.42 : 68,083 = 23,208.38 : x
  2. Step 2: Convert to fraction form
    45,379.42/68,083 = 23,208.38/x
  3. Step 3: Cross multiply
    45,379.42x = 68,083 × 23,208.38
  4. Step 4: Simplify right side
    45,379.42x = 1,580,096,135.54
  5. Step 5: Solve for x
    x = 1,580,096,135.54/45,379.42
  6. Step 6: Final answer
    x = 34,819.66

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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.