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Finding the Fourth Proportional to 6,462.81, 9,694.22 and 1,845.81

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Solution

The fourth proportional to 6,462.81, 9,694.22 and 1,845.81 is: 2,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.81 : 9,694.22 = 1,845.81 : x
  2. Step 2: Convert to fraction form
    6,462.81/9,694.22 = 1,845.81/x
  3. Step 3: Cross multiply
    6,462.81x = 9,694.22 × 1,845.81
  4. Step 4: Simplify right side
    6,462.81x = 17,893,678.99
  5. Step 5: Solve for x
    x = 17,893,678.99/6,462.81
  6. Step 6: Final answer
    x = 2,768.72

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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.