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Finding the Fourth Proportional to 5,809.80, 8,709.82 and 4,049.63

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Solution

The fourth proportional to 5,809.80, 8,709.82 and 4,049.63 is: 6,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.80 : 8,709.82 = 4,049.63 : x
  2. Step 2: Convert to fraction form
    5,809.80/8,709.82 = 4,049.63/x
  3. Step 3: Cross multiply
    5,809.80x = 8,709.82 × 4,049.63
  4. Step 4: Simplify right side
    5,809.80x = 35,271,494.69
  5. Step 5: Solve for x
    x = 35,271,494.69/5,809.80
  6. Step 6: Final answer
    x = 6,071.03

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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.