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Finding the Fourth Proportional to 5,805.96, 8,708.94 and 1,646.42

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Solution

The fourth proportional to 5,805.96, 8,708.94 and 1,646.42 is: 2,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.96 : 8,708.94 = 1,646.42 : x
  2. Step 2: Convert to fraction form
    5,805.96/8,708.94 = 1,646.42/x
  3. Step 3: Cross multiply
    5,805.96x = 8,708.94 × 1,646.42
  4. Step 4: Simplify right side
    5,805.96x = 14,338,572.99
  5. Step 5: Solve for x
    x = 14,338,572.99/5,805.96
  6. Step 6: Final answer
    x = 2,469.63

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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.