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Finding the Fourth Proportional to 18,564.56, 25,618.56 and 10,180.88

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Solution

The fourth proportional to 18,564.56, 25,618.56 and 10,180.88 is: 14,049.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.56 : 25,618.56 = 10,180.88 : x
  2. Step 2: Convert to fraction form
    18,564.56/25,618.56 = 10,180.88/x
  3. Step 3: Cross multiply
    18,564.56x = 25,618.56 × 10,180.88
  4. Step 4: Simplify right side
    18,564.56x = 260,819,485.13
  5. Step 5: Solve for x
    x = 260,819,485.13/18,564.56
  6. Step 6: Final answer
    x = 14,049.32

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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.