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Finding the Fourth Proportional to 18,172.72, 27,259.08 and 10,016.56

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Solution

The fourth proportional to 18,172.72, 27,259.08 and 10,016.56 is: 15,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.72 : 27,259.08 = 10,016.56 : x
  2. Step 2: Convert to fraction form
    18,172.72/27,259.08 = 10,016.56/x
  3. Step 3: Cross multiply
    18,172.72x = 27,259.08 × 10,016.56
  4. Step 4: Simplify right side
    18,172.72x = 273,042,210.36
  5. Step 5: Solve for x
    x = 273,042,210.36/18,172.72
  6. Step 6: Final answer
    x = 15,024.84

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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.