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Finding the Fourth Proportional to 43,350, 65,026.85 and 13,767.18

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Solution

The fourth proportional to 43,350, 65,026.85 and 13,767.18 is: 20,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350 : 65,026.85 = 13,767.18 : x
  2. Step 2: Convert to fraction form
    43,350/65,026.85 = 13,767.18/x
  3. Step 3: Cross multiply
    43,350x = 65,026.85 × 13,767.18
  4. Step 4: Simplify right side
    43,350x = 895,236,279.95
  5. Step 5: Solve for x
    x = 895,236,279.95/43,350
  6. Step 6: Final answer
    x = 20,651.36

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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.