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Finding the Fourth Proportional to 5,794,538.80, 8,691,808.20 and 3,653,028.40

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Solution

The fourth proportional to 5,794,538.80, 8,691,808.20 and 3,653,028.40 is: 5,479,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,794,538.80 : 8,691,808.20 = 3,653,028.40 : x
  2. Step 2: Convert to fraction form
    5,794,538.80/8,691,808.20 = 3,653,028.40/x
  3. Step 3: Cross multiply
    5,794,538.80x = 8,691,808.20 × 3,653,028.40
  4. Step 4: Simplify right side
    5,794,538.80x = 31,751,422,201,952.88
  5. Step 5: Solve for x
    x = 31,751,422,201,952.88/5,794,538.80
  6. Step 6: Final answer
    x = 5,479,542.60

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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.