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Finding the Fourth Proportional to 23,963.76, 35,913.24 and 18,771.12

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Solution

The fourth proportional to 23,963.76, 35,913.24 and 18,771.12 is: 28,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,963.76 : 35,913.24 = 18,771.12 : x
  2. Step 2: Convert to fraction form
    23,963.76/35,913.24 = 18,771.12/x
  3. Step 3: Cross multiply
    23,963.76x = 35,913.24 × 18,771.12
  4. Step 4: Simplify right side
    23,963.76x = 674,131,737.63
  5. Step 5: Solve for x
    x = 674,131,737.63/23,963.76
  6. Step 6: Final answer
    x = 28,131.30

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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.