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Finding the Fourth Proportional to 5,650.95, 7,799.99 and 3,661.64

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Solution

The fourth proportional to 5,650.95, 7,799.99 and 3,661.64 is: 5,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.95 : 7,799.99 = 3,661.64 : x
  2. Step 2: Convert to fraction form
    5,650.95/7,799.99 = 3,661.64/x
  3. Step 3: Cross multiply
    5,650.95x = 7,799.99 × 3,661.64
  4. Step 4: Simplify right side
    5,650.95x = 28,560,698.08
  5. Step 5: Solve for x
    x = 28,560,698.08/5,650.95
  6. Step 6: Final answer
    x = 5,054.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.