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Finding the Fourth Proportional to 18,397.26, 27,589.05 and 7,300.62

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Solution

The fourth proportional to 18,397.26, 27,589.05 and 7,300.62 is: 10,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.26 : 27,589.05 = 7,300.62 : x
  2. Step 2: Convert to fraction form
    18,397.26/27,589.05 = 7,300.62/x
  3. Step 3: Cross multiply
    18,397.26x = 27,589.05 × 7,300.62
  4. Step 4: Simplify right side
    18,397.26x = 201,417,170.21
  5. Step 5: Solve for x
    x = 201,417,170.21/18,397.26
  6. Step 6: Final answer
    x = 10,948.22

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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.