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Finding the Fourth Proportional to 17,626.48, 26,439.72 and 10,282.21

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Solution

The fourth proportional to 17,626.48, 26,439.72 and 10,282.21 is: 15,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626.48 : 26,439.72 = 10,282.21 : x
  2. Step 2: Convert to fraction form
    17,626.48/26,439.72 = 10,282.21/x
  3. Step 3: Cross multiply
    17,626.48x = 26,439.72 × 10,282.21
  4. Step 4: Simplify right side
    17,626.48x = 271,858,753.38
  5. Step 5: Solve for x
    x = 271,858,753.38/17,626.48
  6. Step 6: Final answer
    x = 15,423.32

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Similar ratio
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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.