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Finding the Fourth Proportional to 18,563.62, 25,619.21 and 10,606.18

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Solution

The fourth proportional to 18,563.62, 25,619.21 and 10,606.18 is: 14,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.62 : 25,619.21 = 10,606.18 : x
  2. Step 2: Convert to fraction form
    18,563.62/25,619.21 = 10,606.18/x
  3. Step 3: Cross multiply
    18,563.62x = 25,619.21 × 10,606.18
  4. Step 4: Simplify right side
    18,563.62x = 271,721,952.72
  5. Step 5: Solve for x
    x = 271,721,952.72/18,563.62
  6. Step 6: Final answer
    x = 14,637.34

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1.5x scale

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.