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Finding the Fourth Proportional to 6,626.63, 9,939.95 and 2,009.63

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Solution

The fourth proportional to 6,626.63, 9,939.95 and 2,009.63 is: 3,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.63 : 9,939.95 = 2,009.63 : x
  2. Step 2: Convert to fraction form
    6,626.63/9,939.95 = 2,009.63/x
  3. Step 3: Cross multiply
    6,626.63x = 9,939.95 × 2,009.63
  4. Step 4: Simplify right side
    6,626.63x = 19,975,561.97
  5. Step 5: Solve for x
    x = 19,975,561.97/6,626.63
  6. Step 6: Final answer
    x = 3,014.44

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Double scale
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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.