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Finding the Fourth Proportional to 23,687.43, 35,531.14 and 7,047.70

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Solution

The fourth proportional to 23,687.43, 35,531.14 and 7,047.70 is: 10,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.43 : 35,531.14 = 7,047.70 : x
  2. Step 2: Convert to fraction form
    23,687.43/35,531.14 = 7,047.70/x
  3. Step 3: Cross multiply
    23,687.43x = 35,531.14 × 7,047.70
  4. Step 4: Simplify right side
    23,687.43x = 250,412,815.38
  5. Step 5: Solve for x
    x = 250,412,815.38/23,687.43
  6. Step 6: Final answer
    x = 10,571.55

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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.