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Finding the Fourth Proportional to 43,512, 60,047.28 and 23,640

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Solution

The fourth proportional to 43,512, 60,047.28 and 23,640 is: 32,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512 : 60,047.28 = 23,640 : x
  2. Step 2: Convert to fraction form
    43,512/60,047.28 = 23,640/x
  3. Step 3: Cross multiply
    43,512x = 60,047.28 × 23,640
  4. Step 4: Simplify right side
    43,512x = 1,419,517,699.20
  5. Step 5: Solve for x
    x = 1,419,517,699.20/43,512
  6. Step 6: Final answer
    x = 32,623.59

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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.