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Finding the Fourth Proportional to 39,499.60, 59,183.80 and 27,788.20

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Solution

The fourth proportional to 39,499.60, 59,183.80 and 27,788.20 is: 41,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.60 : 59,183.80 = 27,788.20 : x
  2. Step 2: Convert to fraction form
    39,499.60/59,183.80 = 27,788.20/x
  3. Step 3: Cross multiply
    39,499.60x = 59,183.80 × 27,788.20
  4. Step 4: Simplify right side
    39,499.60x = 1,644,611,271.16
  5. Step 5: Solve for x
    x = 1,644,611,271.16/39,499.60
  6. Step 6: Final answer
    x = 41,636.15

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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.