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Finding the Fourth Proportional to 13,082.65, 18,054.53 and 7,494.73

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Solution

The fourth proportional to 13,082.65, 18,054.53 and 7,494.73 is: 10,343.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.65 : 18,054.53 = 7,494.73 : x
  2. Step 2: Convert to fraction form
    13,082.65/18,054.53 = 7,494.73/x
  3. Step 3: Cross multiply
    13,082.65x = 18,054.53 × 7,494.73
  4. Step 4: Simplify right side
    13,082.65x = 135,313,773.12
  5. Step 5: Solve for x
    x = 135,313,773.12/13,082.65
  6. Step 6: Final answer
    x = 10,343.00

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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.