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Finding the Fourth Proportional to 18,563.67, 27,837 and 10,240.92

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Solution

The fourth proportional to 18,563.67, 27,837 and 10,240.92 is: 15,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.67 : 27,837 = 10,240.92 : x
  2. Step 2: Convert to fraction form
    18,563.67/27,837 = 10,240.92/x
  3. Step 3: Cross multiply
    18,563.67x = 27,837 × 10,240.92
  4. Step 4: Simplify right side
    18,563.67x = 285,076,490.04
  5. Step 5: Solve for x
    x = 285,076,490.04/18,563.67
  6. Step 6: Final answer
    x = 15,356.69

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1.5x scale

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.