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Finding the Fourth Proportional to 43,272, 59,715.42 and 23,400

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Solution

The fourth proportional to 43,272, 59,715.42 and 23,400 is: 32,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272 : 59,715.42 = 23,400 : x
  2. Step 2: Convert to fraction form
    43,272/59,715.42 = 23,400/x
  3. Step 3: Cross multiply
    43,272x = 59,715.42 × 23,400
  4. Step 4: Simplify right side
    43,272x = 1,397,340,828
  5. Step 5: Solve for x
    x = 1,397,340,828/43,272
  6. Step 6: Final answer
    x = 32,292.03

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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.