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Finding the Fourth Proportional to 18,570.71, 27,850.45 and 6,723.04

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Solution

The fourth proportional to 18,570.71, 27,850.45 and 6,723.04 is: 10,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.71 : 27,850.45 = 6,723.04 : x
  2. Step 2: Convert to fraction form
    18,570.71/27,850.45 = 6,723.04/x
  3. Step 3: Cross multiply
    18,570.71x = 27,850.45 × 6,723.04
  4. Step 4: Simplify right side
    18,570.71x = 187,239,689.37
  5. Step 5: Solve for x
    x = 187,239,689.37/18,570.71
  6. Step 6: Final answer
    x = 10,082.53

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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.