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Finding the Fourth Proportional to 24,559.13, 36,839.60 and 7,919.40

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Solution

The fourth proportional to 24,559.13, 36,839.60 and 7,919.40 is: 11,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,559.13 : 36,839.60 = 7,919.40 : x
  2. Step 2: Convert to fraction form
    24,559.13/36,839.60 = 7,919.40/x
  3. Step 3: Cross multiply
    24,559.13x = 36,839.60 × 7,919.40
  4. Step 4: Simplify right side
    24,559.13x = 291,747,528.24
  5. Step 5: Solve for x
    x = 291,747,528.24/24,559.13
  6. Step 6: Final answer
    x = 11,879.39

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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.