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Finding the Fourth Proportional to 24,461.43, 36,674.20 and 7,811.86

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Solution

The fourth proportional to 24,461.43, 36,674.20 and 7,811.86 is: 11,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,461.43 : 36,674.20 = 7,811.86 : x
  2. Step 2: Convert to fraction form
    24,461.43/36,674.20 = 7,811.86/x
  3. Step 3: Cross multiply
    24,461.43x = 36,674.20 × 7,811.86
  4. Step 4: Simplify right side
    24,461.43x = 286,493,716.01
  5. Step 5: Solve for x
    x = 286,493,716.01/24,461.43
  6. Step 6: Final answer
    x = 11,712.06

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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.