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Finding the Fourth Proportional to 6,577.99, 9,866.71 and 3,654.43

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Solution

The fourth proportional to 6,577.99, 9,866.71 and 3,654.43 is: 5,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.99 : 9,866.71 = 3,654.43 : x
  2. Step 2: Convert to fraction form
    6,577.99/9,866.71 = 3,654.43/x
  3. Step 3: Cross multiply
    6,577.99x = 9,866.71 × 3,654.43
  4. Step 4: Simplify right side
    6,577.99x = 36,057,201.03
  5. Step 5: Solve for x
    x = 36,057,201.03/6,577.99
  6. Step 6: Final answer
    x = 5,481.49

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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.