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Finding the Fourth Proportional to 4,000.60, 5,993.70 and 3,539.80

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Solution

The fourth proportional to 4,000.60, 5,993.70 and 3,539.80 is: 5,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.60 : 5,993.70 = 3,539.80 : x
  2. Step 2: Convert to fraction form
    4,000.60/5,993.70 = 3,539.80/x
  3. Step 3: Cross multiply
    4,000.60x = 5,993.70 × 3,539.80
  4. Step 4: Simplify right side
    4,000.60x = 21,216,499.26
  5. Step 5: Solve for x
    x = 21,216,499.26/4,000.60
  6. Step 6: Final answer
    x = 5,303.33

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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.