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Finding the Fourth Proportional to 24,622.80, 36,945.74 and 12,136.02

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Solution

The fourth proportional to 24,622.80, 36,945.74 and 12,136.02 is: 18,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,622.80 : 36,945.74 = 12,136.02 : x
  2. Step 2: Convert to fraction form
    24,622.80/36,945.74 = 12,136.02/x
  3. Step 3: Cross multiply
    24,622.80x = 36,945.74 × 12,136.02
  4. Step 4: Simplify right side
    24,622.80x = 448,374,178.87
  5. Step 5: Solve for x
    x = 448,374,178.87/24,622.80
  6. Step 6: Final answer
    x = 18,209.72

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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.