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Finding the Fourth Proportional to 4,796.51, 7,195.10 and 1,286.51

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Solution

The fourth proportional to 4,796.51, 7,195.10 and 1,286.51 is: 1,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.51 : 7,195.10 = 1,286.51 : x
  2. Step 2: Convert to fraction form
    4,796.51/7,195.10 = 1,286.51/x
  3. Step 3: Cross multiply
    4,796.51x = 7,195.10 × 1,286.51
  4. Step 4: Simplify right side
    4,796.51x = 9,256,525.69
  5. Step 5: Solve for x
    x = 9,256,525.69/4,796.51
  6. Step 6: Final answer
    x = 1,929.85

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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.