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Finding the Fourth Proportional to 41,381.60, 62,078.54 and 19,197.22

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Solution

The fourth proportional to 41,381.60, 62,078.54 and 19,197.22 is: 28,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,381.60 : 62,078.54 = 19,197.22 : x
  2. Step 2: Convert to fraction form
    41,381.60/62,078.54 = 19,197.22/x
  3. Step 3: Cross multiply
    41,381.60x = 62,078.54 × 19,197.22
  4. Step 4: Simplify right side
    41,381.60x = 1,191,735,389.66
  5. Step 5: Solve for x
    x = 1,191,735,389.66/41,381.60
  6. Step 6: Final answer
    x = 28,798.68

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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.