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Finding the Fourth Proportional to 6,261.75, 9,392.63 and 1,644.75

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Solution

The fourth proportional to 6,261.75, 9,392.63 and 1,644.75 is: 2,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.75 : 9,392.63 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    6,261.75/9,392.63 = 1,644.75/x
  3. Step 3: Cross multiply
    6,261.75x = 9,392.63 × 1,644.75
  4. Step 4: Simplify right side
    6,261.75x = 15,448,519.97
  5. Step 5: Solve for x
    x = 15,448,519.97/6,261.75
  6. Step 6: Final answer
    x = 2,467.13

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Half scale
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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.