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Finding the Fourth Proportional to 43,292.40, 64,906.20 and 23,593.20

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Solution

The fourth proportional to 43,292.40, 64,906.20 and 23,593.20 is: 35,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.40 : 64,906.20 = 23,593.20 : x
  2. Step 2: Convert to fraction form
    43,292.40/64,906.20 = 23,593.20/x
  3. Step 3: Cross multiply
    43,292.40x = 64,906.20 × 23,593.20
  4. Step 4: Simplify right side
    43,292.40x = 1,531,344,957.84
  5. Step 5: Solve for x
    x = 1,531,344,957.84/43,292.40
  6. Step 6: Final answer
    x = 35,372.14

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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.