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Finding the Fourth Proportional to 18,331.95, 27,497.01 and 10,028.18

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Solution

The fourth proportional to 18,331.95, 27,497.01 and 10,028.18 is: 15,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.95 : 27,497.01 = 10,028.18 : x
  2. Step 2: Convert to fraction form
    18,331.95/27,497.01 = 10,028.18/x
  3. Step 3: Cross multiply
    18,331.95x = 27,497.01 × 10,028.18
  4. Step 4: Simplify right side
    18,331.95x = 275,744,975.04
  5. Step 5: Solve for x
    x = 275,744,975.04/18,331.95
  6. Step 6: Final answer
    x = 15,041.77

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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.