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Finding the Fourth Proportional to 43,395, 65,043.54 and 23,667

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Solution

The fourth proportional to 43,395, 65,043.54 and 23,667 is: 35,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,395 : 65,043.54 = 23,667 : x
  2. Step 2: Convert to fraction form
    43,395/65,043.54 = 23,667/x
  3. Step 3: Cross multiply
    43,395x = 65,043.54 × 23,667
  4. Step 4: Simplify right side
    43,395x = 1,539,385,461.18
  5. Step 5: Solve for x
    x = 1,539,385,461.18/43,395
  6. Step 6: Final answer
    x = 35,473.80

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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.