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Finding the Fourth Proportional to 3,647.97, 5,471.96 and 1,799.96

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Solution

The fourth proportional to 3,647.97, 5,471.96 and 1,799.96 is: 2,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.97 : 5,471.96 = 1,799.96 : x
  2. Step 2: Convert to fraction form
    3,647.97/5,471.96 = 1,799.96/x
  3. Step 3: Cross multiply
    3,647.97x = 5,471.96 × 1,799.96
  4. Step 4: Simplify right side
    3,647.97x = 9,849,272.76
  5. Step 5: Solve for x
    x = 9,849,272.76/3,647.97
  6. Step 6: Final answer
    x = 2,699.93

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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.