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Finding the Fourth Proportional to 18,449.53, 27,674.45 and 5,301.90

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Solution

The fourth proportional to 18,449.53, 27,674.45 and 5,301.90 is: 7,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.53 : 27,674.45 = 5,301.90 : x
  2. Step 2: Convert to fraction form
    18,449.53/27,674.45 = 5,301.90/x
  3. Step 3: Cross multiply
    18,449.53x = 27,674.45 × 5,301.90
  4. Step 4: Simplify right side
    18,449.53x = 146,727,179.71
  5. Step 5: Solve for x
    x = 146,727,179.71/18,449.53
  6. Step 6: Final answer
    x = 7,952.90

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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.