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Finding the Fourth Proportional to 41,781.50, 57,658.47 and 22,918.67

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Solution

The fourth proportional to 41,781.50, 57,658.47 and 22,918.67 is: 31,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.50 : 57,658.47 = 22,918.67 : x
  2. Step 2: Convert to fraction form
    41,781.50/57,658.47 = 22,918.67/x
  3. Step 3: Cross multiply
    41,781.50x = 57,658.47 × 22,918.67
  4. Step 4: Simplify right side
    41,781.50x = 1,321,455,446.63
  5. Step 5: Solve for x
    x = 1,321,455,446.63/41,781.50
  6. Step 6: Final answer
    x = 31,627.76

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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.