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Finding the Fourth Proportional to 24,561.60, 36,847.80 and 7,918.80

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Solution

The fourth proportional to 24,561.60, 36,847.80 and 7,918.80 is: 11,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,561.60 : 36,847.80 = 7,918.80 : x
  2. Step 2: Convert to fraction form
    24,561.60/36,847.80 = 7,918.80/x
  3. Step 3: Cross multiply
    24,561.60x = 36,847.80 × 7,918.80
  4. Step 4: Simplify right side
    24,561.60x = 291,790,358.64
  5. Step 5: Solve for x
    x = 291,790,358.64/24,561.60
  6. Step 6: Final answer
    x = 11,879.94

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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.