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Finding the Fourth Proportional to 5,806.81, 8,709.40 and 2,343.25

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Solution

The fourth proportional to 5,806.81, 8,709.40 and 2,343.25 is: 3,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.81 : 8,709.40 = 2,343.25 : x
  2. Step 2: Convert to fraction form
    5,806.81/8,709.40 = 2,343.25/x
  3. Step 3: Cross multiply
    5,806.81x = 8,709.40 × 2,343.25
  4. Step 4: Simplify right side
    5,806.81x = 20,408,301.55
  5. Step 5: Solve for x
    x = 20,408,301.55/5,806.81
  6. Step 6: Final answer
    x = 3,514.55

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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.