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Finding the Fourth Proportional to 18,449.76, 27,674.28 and 5,301.84

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Solution

The fourth proportional to 18,449.76, 27,674.28 and 5,301.84 is: 7,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.76 : 27,674.28 = 5,301.84 : x
  2. Step 2: Convert to fraction form
    18,449.76/27,674.28 = 5,301.84/x
  3. Step 3: Cross multiply
    18,449.76x = 27,674.28 × 5,301.84
  4. Step 4: Simplify right side
    18,449.76x = 146,724,604.68
  5. Step 5: Solve for x
    x = 146,724,604.68/18,449.76
  6. Step 6: Final answer
    x = 7,952.66

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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.